13 = 134 crawl ratio. com FREE DELIVERY possible on eligible purchases May 1, 2010 · The high-range is most often a 1:1 ratio. 55 Neapco 1-0153 Greaseable universal joint 1310 series 3. Jul 1, 1997 · The full-time four-wheel-drive NP203 transfer case is one of the most standard items found in ’70s fullsize 4x4s. 1/2 ton, 3/4 ton and one tons used the sm465. Identify:Cast-iron including IH, used the NP205 at some point, and six NP205 Transfer Case Parts. 33:1. Thanks! Ford used NP205's almost exclusively from '74-'79, they are a mixture of married and divorced versions, all are left hand drop. Jul 2, 2003 · Is this T case a NP203 or NP 205? I cant find a tag on it or anything. The NP203 assists in traction on almost every level, but can decrease gas mileage and wear on the front axle The NP203 was available from 1974 to 1979. It came in GM, Ford, Dodge, and International trucks as far back as 1969, and it was produced in GM trucks until the mid '80s when the NP208 finally replaced it in all applications except for cab and chassis trucks, which kept the 205 until '91. Cart 0. I am wanting the AWD aspect of the NP203. I searched but couldn't find what I am looking for. I have a 77 F150 w/ NP203 Transfer case (full time 4WD). Feb 25, 2005 · 1973 - 1979 F-100 & Larger F-Series Trucks - NP203 Lock Contact Switch - Folks, I posted this in the drivetrain forum, but had no response. This NP 205 Shop Manual/Technical Manual is a must-have reference when rebuilding a NP 205 transfer case. NP205= gear driven, cast iron case, 1. I belive it has a 1. I would appreciate any info or advice from anyone who has one of these or knows about them. Oct 11, 2009 · Just remembered a couple of other issues I ran into. - I have a non-functioning NP 203 transfer case in my 1979 F150 4x4. I see 2 kits for the seals. Dec 31, 2021 · The GM NP205 rear output is 35 spline and larger diameter to boot. The Ford vehicles that use this case include the F-Series and also some full size Broncos that were present from 1973-1979 Aug 5, 2010 · NP203,205,208 Torque Ratings Jump to Latest 11K views 2 replies 2 participants last post by machoman Aug 9, 2010 Jan 19, 2000 · 1973 - 1979 F-100 & Larger F-Series Trucks - Divorced np203 to np205 swap - I've got a 76 F250 with a divorced np203 tcase in it and I'd like to swap to an np205. Apr 21, 2009 · 1973 - 1979 F-100 & Larger F-Series Trucks - np 203 to np 205 conversion - I have a 78 F-250 with a married 203 that died. The small round plate on back of tranny with three bolts. The factory adapter would be too long for what I was wanting to do. Typically found on Ford Bronco, F-150, F-250 and F-350 4x4 trucks. This will save you a big amount of money doing it yourself. they only came with plates to keep the front axle engaged all the time and the T-case had a Lo-Loc/Lo/Neutral/Hi/Hi-Loc . This was solved by putting the 203 output yoke on the 205. They didn't say on the GM. change your NP203 from ford to GM type) you do not need a whole new adapter, you only need to replace 1 of the adapter plates, its a minimal cost in comparison! Dec 19, 2019 · OK, you got me looking at this. The t-case shift pattern is Low Lock, Low, N, High,and High Lock. I'm wanting to get a different transfer case but not sure which route to go and what would work and not work. ** SHIFT PATTERN DECAL INCLUDED! Apr 24, 2008 · I just recently bought a 79 F150 and I've been doing the usual routine maintenance that hasn't been done in quite some time. What is weak and what is strong with regards to gearboxes vs. after 1980, the np208 came into use in 1/2 ton and 3/4 ton applications. NP205; NP241; NP203 Range Boxes; SCS Transfer Case; NP203 Parts. The 400 adapter will need the nwf spacer also. Mar 15, 2001 · 4spd/NP205 10 Spline (part time 4wd) 4spd/NP203 10 Spline (full time 4wd) Turbo 350/NP203 27 Spline (full time 4wd) Turbo 350/NP205 27 Spline (part time 4wd) I think, 1973 and 1980 Only Turbo 400/NP203 32 Spline (full time 4wd) Turbo 400/NP205 32 Spline (part Time 4wd) Jul 3, 2023 · NP203. Soon, we'll have all the transfer Jun 22, 2009 · TH400/np205's were one ton fodder. Aug 15, 2017 · The Doubler kit places a gear reduction unit (front range box) from an NP203 between the transmission and the NP205 using a billet aluminum adapter plate and a custom output shaft. I recently bought a 1978 F250 with a auto trans. Exploded View XV4006 1969-1974 Dodge NP205 Transfer Case Exploded View XV4007 1969-1975 IHC NP205 Transfer Case Exploded View XV4008 1973-1977. Both of these transfer cases used various input splines. I have a Ford NP205 that will be the transfer case I use behind the doubler. The NP205 is all gear driven, is able to be twin sticked with ease and is probably the strongest light duty transfer case ever made. I have a complete NP205 in my parts truck, and Im wanting to swap it in. with a chevy you'd have to get a 1-ton truck. At present, we've got no (front) output from our NP203, C6 1979 Bronco, and are thinking of droping 4-to-1 (4:1) transfer case gearing in an NP205/203 package strong enough for big block power and full size trucks. Oct 29, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - Opinions on NP203 to NP205 conversion kits? - I have 78 F-150 with a 351M and an NP203 transer case. That puts that decision to rest. Jul 12, 2004 · Quite a bit of insight here. Nov 29, 2004 · it is possible to put you ford 205 behind the 465 with some work the ford t case has the 6 bolt round patern on the face the chevy 205 could have a figure 8 pattern or a round pattern if you have the figure 8 patern chevy case you can put your 10 spline input in the ford case (will need a special bearing ) then redrill the face of the ford 205 Apr 16, 2014 · Notes:Versions also appeared in Jeep, IH, Ford, and Chevy 4x4s. Approximate overall length Sep 19, 2010 · There was no dog leg kick out or anything like that. Jun 5, 2021 · Google NP205 and NP208 and you will get plenty to get you started. It is found in 73 - 87's with manual transmissions. NP203 Transfer Case Data Sheet. I have been told by a couple of people that this will work but I have not tried it yet. Got a project going and am wondering which is the better choice. May 28, 2007 · I was also wondering if anyone has done this job before and what is entailed in switching a NP 203 to a NP205 transfer case. 96:1, 2. Dec 29, 2009 · 1973 - 1979 F-100 & Larger F-Series Trucks - Highboy NP203 to NP 205 swap - I am trying to convert my 77 highboy from the NP203 to the NP205. Dec 23, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - np203 np205 swap - i have a 76 F-150 with a 390 on a C6 with an np203 the front end is a dana 44 hi pinion and the rear is a 9 , i want to swap in a np205 would i need differnt driveshafts due to t-case size differnce? or is it just a matter of dropping one Apr 19, 2000 · If you have the money to redue the driveshafts. It is also fulltime 4WD. 96:1 >Why you want it: One of the burliest transfer cases ever built. It's very easy to follow and do. 0:1. There are kits available to make them part time. Feb 6, 2003 · Clutch, Transmission, Differential, Axle & Transfer Case - np203 conversion or np205? - i know there have been a ton of posts on this subject and i've read through them, but i need more info. If you put a gm case on a ford pattern it will stick straight up or straigt down. some where in the process of moving the truck around i lost the Sep 15, 2001 · 1947 and Older Ford Trucks; Bronco. would i be about to use one of these rods could i use the stock stick what would i need, would i need Jul 11, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - divorced np203 to 205? - quick question: do the divorced 203 and 205 transfer cases mount the same way? i am guessing they do not:) if not, i'm looking to swap a 205 for a 203 in a 75 f250, what does this take? thanks Jun 7, 2023 · There are a few points for those wondering which option is better between NP203 and NP205. Lately I have been considering the conversion kits. The Ford NP205 has a driver side front output and is available in a “separate” and “direct” versions, the direct version has a Aug 30, 2007 · Clutch, Transmission, Differential, Axle & Transfer Case - NP201 VS Np205 - How strong is a NP201(came in earlier dodge's, not sure of others) in comparison to a NP205? My buddy runs a tractor tire truck and he swears by the 201, says he breaks 205s can't break this 201. Clemons 1988 Ramcharger AW450-318EFI-NP435 4 speed-NP205 Transfer Case-Dana 60s-Braden Wormdrive Front Winch 2018 Ram 2500HD Crew Cab 4WD 5. With the 1356's 2. The output shaft length must match the output housing length. Sep 8, 2014 · 1973 - 1979 F-100 & Larger F-Series Trucks - NP203 Transfer Case Questions - I am interested in finding a non-divorced Ford NP203 to mount behind a NV4500 transmission. or at least for the moment installing the NP205 into the 1979 Bronco Custom. and a NP203 transfer case. I will be mating it to an np205 from a 78 f150. My Donor Truck: 1974 F250 4Spd Divorced 205. . Jul 10, 2007 · Starting out with a Borg Warner 1356 t-case from a 1-ton ford, slip yoke, manual shift, PTO. we are doing a np205 swap, we have the truck down to frame with no current drivetrain. One way to tell them apart is to look at the hubs on the front axle. I will be looking underneath both later today to see if they are swapable. com - 78 - 96 Ford Bronco offroad club, forums, tech, installs FullSizeBronco. I also see AA has one for mating to a 31 spline Atlas IF you have the short input for the Atlas. ) Transfer Cases Doubler NP203 / NP205 Adaptor The NorthWest FabWorks Adaptor kit allows you to mate the reduction box portion of a NP203 transfer case to the stout NP205. Mar 24, 2019 · L. 31 spline throughout. GM and Dodge use the same bolt pattern for the NP203, where Ford uses a different pattern. But, the retail price of this kit is just over $200 from most 4x4 shops, and it makes for a much Oct 29, 2009 · Per the first question, the NP205 wins over the NP203 hands down. Nov 20, 2007 · Does anyone know of a source for a 3:1 gearset for either the Ford NP203 or Ford NP205? I have checked with Sumner Machine Works and they no longer have them for the NP203, and they are not sure if they will make any more. NP 205 typical shift pattern: NP 208 transfer case: (www. There are no upcharges for mix-matching. Mar 16, 2012 · 1973 - 1979 F-100 & Larger F-Series Trucks - Highboy NP203 NP205 Swap - What is needed to swap a divorced NP 203 to a divorced NP 205. Jan 30, 2005 · Thanks Ivan. 6:1 or so low range not so strong and vulnerable to rocks due to aluminum case. The easiest way to identify your transfer case, looking at the back of the case where the rear driveshaft yoke is located, focus your attention slightly to the right of that and if you see a 3-bolt cover about 2 inches in diameter it is a NP-205 (NP= New Process, as in the company that manufactured these transfer cases- New Process Gear. Aug 2, 2004 · of the C6/NP205 mating area as indicated by the RTV usage directions. But, the retail price of this kit is just over $200 from most 4x4 shops, and it makes for a much Jul 12, 2004 · Quite a bit of insight here. Depending on your extension housing you will have to notch it to clear the shift rail on the 205. Might cost the same after you have the 203 rebuilt and install a part-time kit. Can anybody tell me how difficult this is? good articles, pictures etc. Aug 14, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - NP205 adapter length questions. 1:1, and 6. 7L Aug 17, 2008 · 1973 - 1979 F-100 & Larger F-Series Trucks - 1978 F250 NP203 Transfer Case - I was hoping some one can enlignten on the NP203. Triple Stick NP203/NP205 Doubler Shifter Get a discount by adding the modified rails to your cart! Those can be found HERE **This is a build-to-order part and does have a lead time. Dec 27, 2002 · Clutch, Transmission, Differential, Axle & Transfer Case - NP 203 to NP 205 swap in 79' F150. NP435 short shaft from Jed's, doubler from Jed's, NP203 shaft respline from Jed's, and triple shifters from Jed's too (see jedsmachining. The bolt pattern is the Ford rotation of the 6 bolt circular bolt pattern. For sale locally is an np 205 (married also to a c-6). As the NP205 nears the C6 rear shaft, ensure the studs on the NP205 are correctly lined up with the holes in the C6 rear shaft. (Without the lower gear set it comes out to 1:1, 1. Sep 2, 2013 · if only 88 ranger ext cab p. My truck currently has 460 C6 NP203. It had a 351M which i pulled and now have a 460. 125 inch ID and 3. ? I have a 74 Ford NP203 and I will be getting a 79 NP205 in a couple of weeks. Or any other really abusive application you can come up with - Chevy, GM, Dodge, Ford or custom! The Doubler is an all gear, dual transfer case system uniquely suited to full size trucks or other heavy duty, high output/abusive applications because of the durability of its Transfer Cases Doubler NP203 / NP205 Adaptor The NorthWest FabWorks Adaptor kit allows you to mate the reduction box portion of a NP203 transfer case to the stout NP205. That is to say that for every revolution of the transmission output shaft, the front and rear transfer case outputs rotate one revolution. I have had a hard time locating a crossmember The Ford NP203 has a 31 spline female input. com. And a SM465 in front of it. It's smaller than the NP203 and about 40-50 pounds lighter. Also please let others know In 1971, New Process introduced a model NP203 (chain-driven), and NP205 (gear-driven) transfer case. 96:1 low, very strong T-case. Designed to replace your original Ford or GM NP205 Rear Output Yoke or can be retrofitted to any other 32 spline New Process NP205 fixed yoke application. Tech Note 2: Matching Parts Optional Matching Parts for QU50252 NP205 Poppet Spring are: The NP203 is the clear champion as far as being the donor of the low-range box, and for good reason. QU40746 New Process NP205 32 Spline 1310 Series Rear Output Yoke is a redesigned yoke style that uses new style QU40735 straps and bolts to retain the universal joint. I'll just drop it in Lo Lock and pull myslf out. Second, picked up a ford NP203 today. This is the choice of most hard-core off-roaders, due to it's strength. The NP203 is chain driven and has a somewhat weak center differential. 13 rear end gears = 6. « Sep 13, 2003 · Clutch, Transmission, Differential, Axle & Transfer Case - New speedometer in a NP205 - Any of you creative problem solvers know how I can get my 1994 speedometer signal from an older NP205 transfer case? Oct 29, 2020 · The NP205 is a single piece cast iron case with helical gear driven transfer case with a 1. The 203 features full-time 4WD chain-driven cases with part-time conversion kits available. These units will bolt up directly. It is a 79 1 ton 4x4 the pics suck cuz I was lyin under the truck with a big ass light Front and linkage The NP-205 was a heavy-duty part-time, gear drive transfer case with a 1. The all-gear, heavy-duty, cast-iron NP203 has distinct advantages, namely: Availability – At some point over the years Chevy, Dodge, and Ford all used the NP203 in full-size trucks, often behind both manual and automatic transmissions. Apr 13, 2010 · 1973 - 1979 F-100 & Larger F-Series Trucks - np203 to np205 conversion - okay i have a bone stock divorced NP203 Tcase on my truck, i just recently bought a Driver side drop Np205 now im not sure if i can and cant do. 72:1, and 5. There is NO upcharge for a weird combination at all! Since our adapters bolt together, if you require changing a transfer case in the future (ie. I plan to use a NP435 4-Speed and a Divorced NP205 T-Case, that I already have, for this build. 0 x 1. What I have: 1975 F250 C6 Divorced 203 w/parttime kit (SHOT). And we'll add more info as the thread grows. Jun 4, 2010 · Versatility: Our Adaptor kit works with Ford, GM ,Dodge and Jeep Dana 300 applications. The trans is a C6 and the transfer is the np205. The rear output yoke on my NP205 would not bolt up to the driveshaft from the NP203, even though they had the exact same u-joint. I was going to change the transfer case fluids, but I'm not sure which transfer case I have. See All 31 Photos. Hey they used it in 1-tons what can you say. 6. Low range: 1. my main questions are regarding parts and driveshafts. Np203 broncograveyard Nov 30, 2002 · First off, picked up a Ford NP435 a few months ago, it was attached to a NP205 tranny, and the length of the mainshaft exit (to t-case) is about 7 inches long. If you have to get new shafts and tail housing, you may be money ahead to keep the range box (front half) of the NP203 and add the NP205 behind it. Its a 4 speed NP205 made by Offroad Design. Oct 5, 2012 · Ok so I'm in the middle of doing a Cummins swap into my 94 and I am wondering what would be best for my situation. o. This allows a 3 speed Transfer Case. 33:1, all available depending on how you shift it! **This is a The NP205 transfer case has a reputation for being as tough as a rock. The gear ratio choices are Nov 18, 2020 · Ive got a 79 k10, sb350 going to a th350 going to a np203 full time no slip yoke. both of these where in the truck before i took the whole truck apart 7 years ago before i joined the army. 96 x 5. 2021+ Bronco; 2021+ Bronco Sport; 1978 - 1996 Big Bronco; 1966 - 1977 Early Broncos; Bronco II; Ford Vans and other vehicles. Apr 24, 2022 · 1973 - 1979 F-100 & Larger F-Series Trucks - 1974 F100 NP203 Transfer Case - I've had several problems with the np203 transfer case that is in the pickup. The Adapter kits can bolt ANY combination of Ford GM or Dodge NP203/NP205 together. Mar 19, 2017 · Ford vs The Competition; np203 and np205 bolt patterns the same? NP 435 on NP 205. 1979 Bronco custom has the NP203 1978 Bronco XLT has the NP205. planetary gearsets. I am starting with a bare frame and building from there, meaning Originally we had planned on doing an NP205 swap on this truck and elimating the NP203 completely. 96:1 ratio that an NP205 has stock and adds an additional 2. pre 1980, 1/2 tons used the th350 and 3/4 tons used the th400/np203 combo. Can do 1:1, 1. com - 78 - 96 Ford Bronco offroad club, forums, tech, installs And BTW dont throw the 203 away, the front of the case can be used as a doubler and someone will buy it if you dont want it, I have 2 of them I had to buy. All are passenger side drops, and all are manufactured by New Process. Dodge NP203 Transfer Case The Dodge 203 has a 23 spline female input. One is duirect mount and the other is remote mount. An NP205 reads: 4L N 2H 4H NP203 reads: LOCK HI N LO LOCK As for your front axle, it is probably a Dana 44HD since not many of the F250s came with a Dana 60 up front. What is the best way to know if your truck has one? GM, Ford, Dodge, and IH all used NP205s. Otherwise you can bolt a Ford NP203 gearbox directly in place of the Ford NP205, NP208, or even the newer aluminum cases. This TM covers all variants and provides step-by-step instructions with color photos and torque values. The First item is the adapter. Dana Spicer 2-4-5441 CV Yoke to install 1330 series double cardan driveshaft onto a NP203 NP205 NP208 NP 241 New Process Transfer Case with 32 spline front or rear output. Used NP203 Jul 7, 2010 · 1973 - 1979 F-100 & Larger F-Series Trucks - Divorced NP205 Crossmember - I am using a 79 F250 frame for my build that looks to have had a married T-Case in it before I got it. Aug 20, 2004 · Ted is correct. 2014+ Transit; Transit Connect; 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline; Nite, Nascar & Other Limited Edition Ford Trucks; Performance, Engines Apr 25, 2007 · 1973 - 1979 F-100 & Larger F-Series Trucks - Np203 -np205 - I currently have a NP203 T-case in my truck. tranny. The Magnum Box retains the 1:1 and 1. Now onto the input gear. And since a pic is worth a 1000 words. Nov 5, 2002 · Clutch, Transmission, Differential, Axle & Transfer Case - np203; how much slack? - I have a 78 F250 400 c6 with np 203. You should be able to put the 27 spline TH350 input gear from an NP205 into your Ford NP205 transfer case. Dodge used divorced NP205's from '69-'74 in their entire truck line, then used married NP205's only in the W250 and W350 trucks from '80-'93. Th400 adapter could be used but it will need to have a notch cut out for the shift rod and the pattern will ha e to be redrilled in the case face. This will allow you to build Hybrid Kits like putting a 32 Spline Input into a Ford 205 or a 31 Spline Input QU40422 32 Spline 1310 Series NP205, NP203 Transfer Case CV Yoke for 32 Spline for 1973-1977 Dodge and Ford 1974-1978 NP203, NP205 transfer cases with Spicer type 1310 series front or rear constant velocity driveshafts. Aug 3, 2006 · The NP203 and NP205 have the same reduction ratio of approximately 2. mean np205, 203 doesn't have the plate. NP208= chain driven, aluminum cased 2. Shown is the adapter output shaft, billet-aluminum adapter, gaskets, seals, and hardware. Oh - and if you ever decide to change your rear transfer case, all you would need to do is order a new second adaptor plate Aug 18, 2018 · Gm have 12/6 oclock bolt holes, ford/dodge/jeep are 3/9oclock points. 5 NP205 Transfer Case Manual. 5 Ford F250 Remote NP205 Transfer Case Exploded View XV4009 1973-1979 Ford Direct Mount NP205 Transfer Case. Jon at Jed's was very helpful and Dec 8, 2005 · 1973 - 1979 F-100 & Larger F-Series Trucks - NP203/205 doubler - I am building this set up for my 77 F250. I know that hands down the 205 is way stronger than the np241 but since im not planing to wheel this truck like crazy I feel that I can get away with the 241, I mean if the 241 was designed to be behind a cummins in the first place I think its strong enough for me. QU40931 is a USA made 32 spline replacement yoke that will fits all 32 spline NP203 and NP205 transfer case shafts including front and rear output shafts and The new Offroad Design Magnum Box is our super compact 4 speed transfer case system featuring our "fat shaft" technology that truly equips you to use any of the available ranges without fear of breaking the intermediate shaft. This is needed to connect the transmission to the NP205. I bought a complete 76 highboy its 360 NP435 and NP205 I was wondering which crossmembers i will use and if the crossmember will go back in. These trucks featured a simple spring loaded ball detent switch which turns on a light in the cab indicating when the Jul 18, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - np203 and np205 bolt patterns the same? - Anyone know if the front bolt patterns on the np203 and np205 are the same? I am thinking of the ones that connect to the back of the tranny/tcase adapter. What is the difference? How do I tell what I will need? I have a 77 f150 4wd. There are MANY pages with info about these two cases on the internets. NP205; NP241; Ford NP205 pattern 6 bolt spacer, 1", with hardware/gaskets Apr 18, 2023 · The NP205 transfer case is known for being beyond tough, which is no surprise, given its cast iron casing. New Process 203 Transfer Case Tech | | Oct 3, 2004 · Clutch, Transmission, Differential, Axle & Transfer Case - 75 Ford Hiboy np203 conversion to np205 - I have a 1975 Hiboy F250 with C6 transmission and np203 transfercase (divorced) converted to part time, I would like to change over to np205 (divorced) which I can find, but looks like tailshaft on transmission where Aug 29, 2010 · The 4 transfer cases availalbe in Squarebodies from 73-91 were NP203, NP205, NP208 and NP241C. JB Conversions only makes the NP205 LoMax for the Chevy, and when I See full list on motoraudit. 98:1 low ratio). Some things on this list you may or may not need but it is easy to remove them. It is about 2" around with 3 bolts. It has a fixed yoke on the rear and a CV yoke on the front. Third, picked up a Chevy NP205 today. This 32 spline yoke will fit any NP203 or NP205 transfer case with 32 Jan 14, 2012 · The truck is a 1978 ford f150 short box. the Average Fulfillment is 8-10 Weeks Our Dual Transfer Case Adapter Kit was designed to mate the NP205 Transfer Case to the NP203 Range Box. Input Gears; Adapter Feb 27, 2020 · An NP205 was a heavy-duty OE transfer case used in a variety of Chevy, Ford, The company offers all the parts and components to add the low range gearing from an NP203 to a 205 (called the Feb 24, 2011 · The model tag is on the front of the chain case, above the output shaft. Using a 9/16" socket, turn the bolts to pull the NP205 against the C6 rear shaft while pulling the jack with the NP205 to provide support. 96:1 reduction in low and 1:1 in high range, it was used in a variety of applications from 1969-1980 in Dodge, Ford, GM. Aug 8, 2010 · FullSizeBronco. Dodge Transmissions (most types): Dodge used the NP203 with the NP435 and the 727 auto tranny through the '70's. com) NP 208 typical shift pattern. Sep 4, 2001 · The NP205 is shorter than the NP203, which will make your drive shafts different lenghts (shorten front, lenghten rear). I see a Tumblin adaptor that claims to fit any standard 6-bolt 31-spline transfer case to a 6R80. NP203 + NP205 Transfercases Np203+np205 transfer cases by Gordon Pritchard and bc4x4. As far as transmission choice, it's up to you. Adapter to mate the NP205 transfer case to the Ford 6R80 and 10R80 transmission. They seem to think it will bolt up but i came here trying to see if anybody has any knowledge on this. If your truck came with factory unlockable hubs then it shouldn't be a NP-203. This is an indispensable, must-have guide. I believe the dog leg shift patterns were in the 80's. 062 inch OD $18. I will not be twin sticking the case. New Process 203 Transfer Case Tech | | S2125-3 Transfer case rear output seal fits NP 205 from 1969-1980 with 2. If it is a Dana 60 it will have kingpins rather than balljoints. One of its biggest problems is that it was built as a full-time transfer case. The New Process 203 came in all full size '75-'79 Dodge trucks The NP203 were originally a full time 4WD case, meaning all 4 tires receive power at all times. I also don't like the idea of the chain driven 271 and 273 because I've had to deal with a NP203. 062 outside snap rings The New Process 203 was a rare option in '70's Ford trucks. Jan 10, 2020 · Rich is correct. mwc4275. The area (size difference) in the red box is the quick tell tell sign. Notice you have to pull the shifter to the right and down to enter into 4WL. Don't discount the option of doing a doubler. Some parts are interchangeable among versions. You have an NP205 and the first position is 4L. NP203 chain-drive transfer cases were used in the model years 1974 to 1979 Ford\/Dodge pickups and from 1973 to 1979 Chevrolet\/GMC pickups. 69 x 2. The 203 isn't considered as strong as the 205 and they are heavier. His truck has full-time front hubs, and a weird L-pattern transfer case. s. Use with a Klune-V Extreme underdrive: Use the Klune with the 31 spline output. now that i have my own place again i'm working on putting it back together. The easiest way to identify an NP205 TC is to look for the three-bolt idler shaft cover on the rear of the cast iron casing. com) NP435 low x NP203 low X NP205 low x 5. Clutch, Transmission, Differential, Axle & Transfer Case. The gear ratio choices are as follows: 1:1, 2:1, and 4:1 Please Use the Drop Down Boxes to Create your 203/205 Dual Transfer Case Adapter Kit. While the NP205 Sep 1, 1998 · For your convenience, we took a look at what it takes to swap an NP205 in place of an NP203 with a TH350 transmission and an NP208 attached to a TH700-R4. 33:1 lowest range. the B-W 13-56. But it all depends on how much you wheel it. 98:1, 3. It has an annoying clunk when going between drive and reverse, and also when decelerating and re- accelerating. in 1980, and 1980 alone the np205 was the only transfer case May 17, 2003 · From the information that I have gathered, input shafts from Ford and GM/Dodge are interchangeable save for the bearings. The Np-205 had 4-Lo/Neutral/2-Hi/4-Hi and had unlockable hubs. would i be much better off finding an np205 and putting in hubs than converting my np203 to part time 4 wheel drive? what would Dec 9, 2010 · Ok so i have a NP 205 out of a 79 half ton ford and a Borg Warner 1356 out of a 91 one ton. 5 diesel clattering against a 4l80 thats punishing a f208 that is turning ford 60 YY NP205-141032 Yukon 1410 series bolt on transfer case yoke fits NP203, 205, 208, 241 with 32 spline output You May Also Need These Parts to Complete the Job Dana Spicer 5-160X Universal Joint 1410 Series Originally we had planned on doing an NP205 swap on this truck and elimating the NP203 completely. 96 low ratio (although another source reports 1. the earlier NP transfer cases like the NP203, NP205, NP208, and others don’t follow Jan 12, 2011 · 1978 - 1996 Big Bronco - NP205 VS BW 1356 - Transfer case went out on my 91. Dec 25, 2019 · Buy 7 Tooth drive gear, fits Ford NP203, NP205, NP208: Drive Gear - Amazon. Don't waste the money on the 203. I have a NP 203 in my '76 F250, which I understand is a chain driven full-time unit; whereas the NP 205 is a part-time gear driven unit and more favorable because of strength and economics. Well, I buried the truck today and thought, no problem. Please email us for an estimated timeframe. What will it be when I install the conversion May 1, 2007 · Thanks to the popular use of the NP205 transfer case in Chevy, Ford, and Dodge pickups, this setup can work in a bunch of different applications. NP203 based "Doubler” systems Example of a "Doubler" system: NP203 reduction unit mated to an NP205. I'm just wondering if I'll need different mounts for the 205. the shift patterns shouldn't have changed, althought I would say, a ford NP205 is actually rather cheap to find in salvage yards because unlike chevy, you could get this in half ton Pick-ups. Here is a little information on all of them. 205 is a part time and 203 is full time. Apr 15, 2005 · There was a recent thread about some difficulty mating a NP205 to an AOD, due to the different t-case to tranny adapter for the NP205 vs. 5 diesel clattering against a 4l80 thats punishing a f208 that is turning ford 60's rolling on 33-44 inch tires depending on the mission at hand Feb 2, 2004 · Clutch, Transmission, Differential, Axle & Transfer Case - step by step with photos on rebuilding np205 - I thought some of you who would like to know how to rebuild your np205 would like this site. The NP (New Process Gear) 205 transfer case was a popular unit used by all the Big Three automakers, specifically found in 1969-1993 Dodge trucks, 1974-1979 Ford trucks and 1969-1980 GM vehicles. QU40931 U-Bolt Style 1310 Series 32 Spline Yoke for New Process NP203 and NP205 transfer cases. 10's and an over drive tranny May 25, 2016 · ORD’s Doubler kit includes everything necessary to join an NP203 and NP205. 1974-1979 Ford Fullsize NP205 Transfer Case: Type: Part-time, cast-iron, geardriven case. Converting Your NP205 from a single stick to a twin stick Twin stick conversion for the NP205 is simple and can be done at your home if you manage to get your t-case out of your truck without getting crushed by it. NP203/NP205 Doubler Adapters and Shafts Only; Complete Transfer Case Assemblies. 72: and 5. So yes you will be able to swap between the np203 np205, np208, and bw1356. In all of the 4wd Ford that I have dealt with (7 of them, mostly 3/4 tons and late-models), the transfer case pattern was always 2hi-4hi-N-4lo, in other words they had Np205 cases. Oct 15, 2004 · dana 20 vs np205. It is considered less durable than the 205 but has equal load capacity, making it an option worth considering. 96:1) As I recall it costs about $1000 for the gear swap and the NP203 case has to be sent in to be reworked. Ford, GM, and Dodge all used this model in various applications throughout the 1970s, making it a popular choice across the spectrum. Sep 8, 2013 · 1973 - 1979 F-100 & Larger F-Series Trucks - np203 vs np205 - I have a np203 in my 76 highboy and it does fine for everyday use but I really would like to swap it out for a np205. Due to High Sales Volume and Limited Material Supply all 203 to 205 Dual Transfer Case Adapters are made to order. Apr 12, 2005 · Clutch, Transmission, Differential, Axle & Transfer Case - NP203: To Rebuild or Not ? - This would be swimming into unknown waters for us, but at least my son and I are both fairly mechanically inclined, if that helps. NP203. Rebuild kit for our NP205. Is their a big advantage of one over the other? I know about the 205s legendary strength and gear driven reliability, but How does the 1356 compare? Jun 16, 2014 · NP 205 transfer case: Notice the circle with 3 bolts in the middle, easy way to tell a NP205. According to the link above the Dodge and Ford NP205 rear outputs are 32 spline. Jan 15, 2002 · I'm trying to familiarize myself with these transfer cases and understand the differences. Chilton Manual says NP203 and 205 were used from 76-79. $169. Jan 4, 2013 · Is the NV 271/273 stronger than a NP203 range box? If so then I would be inclined to get my hands on one and adapt the planetary gearset to my NP205. ) Jun 8, 2007 · If you run a doubler (Np203-Np205) then this makes the choices 1:1, 1. they were not used in 1/2 ton or 3/4 ton applications. The NP203 is a full time chain driven transfer case. NP205 stud kit for mounting face, GM or Ford six bolt round pattern, includes studs, washers and lock nuts 90mm NP203 and NP205 Large Input Bearing May 2, 2002 · proof" NP 205. The swap is similar for nearly any 203 Jul 9, 2005 · The NP 205 has a round access cover in the middle of the back of it. I have a 76 Ford F250 Highboy with a 360/C6 Auto and a divorced Dual (doubler) Transfer Case Adapter Kit was designed to mate the NP205 Transfer Case to the NP203 Range Box. It can be operated in either two or four wheel drive. -cast aluminum is weaker than gray cast iron with the exception of T6 as used in the Atlas transfercase. The NP203 is a chain driven, full time 4wd case. It's divorced. Here come the questions. (Engine Nov 2, 2000 · Clutch, Transmission, Differential, Axle & Transfer Case - NP 203 and NP205 - Looking for rebuild books for these transfer case NP203 and NP205 Dec 19, 2023 · The NP205 I am going to use has 5. 6 something low range, I am looking at a crawl ratio above 120 with 4. Jan 31, 2011 · As mentioned before, all Ford NP products. Question is, do i fix the Borg Warner, or swap in a NP 205? Sep 25, 2018 · 1973 - 1979 F-100 & Larger F-Series Trucks - NP203 TC to NP205 TC while keeping the C6 Auto Trans - Good afternoon! I know this has been posted about a plethora of times, but I haven't found a thread that really answers all of my questions about the swap. How to use with Offroad Design 203/205 doubler: Use new TH400/Ford NP205 adapter HERE from ORD or rare TH400/round pattern NP205 adapter , Drill/tap six bolt transfer case pattern into face of NP203, plug up stock holes and make a tab to hold down the idler shaft. - Hello all, I'm new to Ford trucks and don't know much about them yet, so please bear with my newbie question. fourwheeler. Has a slip yoke and a 'coupler' shaft at the input. Nov 22, 2015 · All the full-size 6 bolt 31 spline arrangements will fit. 045:1. May 5, 2005 · The 205 came in GM, Ford, Dodge, and International trucks as far back as 1969, and it was produced in GM trucks until the mid '80s when the NP208 finally replaced it in all applications except for QU40399 1977-1979 Ford New Process NP203, NP205 Transfer Case 1330 Series CV Output Yoke for 1977-1979 New Process NP203 or NP205 transfer cases in Ford Bronco and F-series 4x4 models. The NP203 is chain driven, the NP205 is gear drivenbased on advertised ratings, the NP203 and NP205 are very similar to each other in strength. Since the NP205 case is cast iron and much heavier than the B-W13-56, you want to use the NP205 adapter. The NP205 is identified by several features: 1. And which years did they do 203's vs 205's? I have a 78 F250 (back home so I cant go crawl under it) but im looking for a non divorced np 205. The bolt holes had slightly different spacing. I want to check out a few more things first, but if no luck, I have available to me a NP 205 transfer case from a 1979 Ford Bronco 4x4. Just a case,shifter, shaft swap. I have an np205 transfer case and was told that would Mar 23, 2006 · Ford NP203 Transfer Case The Ford NP203 has a 31 spline female input. Will this be a Sep 11, 2012 · 1973 - 1979 F-100 & Larger F-Series Trucks - np203 and np205 - Can someone please enlighten me on which years and models had divorced and non divorced np 205's. hackjob powered by a 6. Both are in decent shape. Aug 4, 2002 · Clutch, Transmission, Differential, Axle & Transfer Case - T-case shift pattern after installing an NP203 conversion kit? - I just bought the part-time t-case conversion kit for my Ford truck with an NP203. I am curious about Dec 7, 2006 · The problem that he is currently having is with the transfer case. The NP 205 is all cast iron, gear driven, part time t-case. The 205 is a much better case cast iron all gear no chains. Everything you need to adapt a Ford NP205 to a 4x4 4l80e in one place. 98:1, 2:1, and 3. Case 205 transfer np203 np np205 chevy shift 203 toyota doubler ford process tranny mixing dual cases tail forum wikipedia Case 203 np ford np203 forums transfor help Transfer case np208 linkage adjustment assembly repair guide fig autozone np241 size 1988. manual locking hubs indicate a truck with the NP 205 and a man. It is also iron & notched on the side for the NP205 shifter rails. Steve on Jul 04, 2022 Oct 6, 1999 · >The 205 has a cast iron case >and the 203 has an aluminum >case generally the 205 is said >to be much stronger and more >desirable The 203 is cast iron case as well with the possibility of an aluminum tall housing. As a general rule, all of the transfer cases that couple to a TH350 automatic are normally a 27 spline input; when coupled to a manual transmission a 10 spline input; and when coupled to a Jul 14, 2012 · 1973 - 1979 F-100 & Larger F-Series Trucks - T-case- NP205? Direct or Remote mount - I need to reseal my T case. Pretty sure I have a NP205. com Apr 14, 2001 · Adam, Are you sure it is the NP-203 and not the NP-205. I was trying to decide if going with a Ford 4wd 435, factory adapter housing, and married Ford 203 would be better than using a Ford 2wd 435 and popular adapter kit with special 435 output shaft and adapter housing to mate with a Dodge 203 in my NP435/NP203/Dana20 project. While reading about these transfer cases I saw that for Ford models there are different width chains Aug 21, 2017 · The BorgWarner 1356 transfer case can be found in many different Ford 4x4s offered from 1980 through 1996. You will need a long 32 spline input for the case. 219 x 1. Jump to Latest 88 ranger ext cab p. The lack of 2wd kind of sucks at times. 96:1 low ratio. Big, heavy, and relatively strong despite its chaindrive, this box can be A Detailed Comparison of NP203 Vs NP205:\/h2>\n\n\n\n NP203: What Are They?\/h3>\n\n\n\n. NP205 The NP205 is a gear driven part time transfer case. uhp usdjgm ziz rjnz fiywam blrdc wolig pfyq tjjg frbijwx