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Rebuilding a NP231 Transfer Case for an LS Swap 

Lawrence LT Tolman
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4 окт 2024

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Комментарии : 211   
@LawrenceTolman
@LawrenceTolman 3 года назад
Whats your favorite wheeling rig? I know the JK is way popular, but what else are you guys off roading with?
@schwanzmunster2503
@schwanzmunster2503 3 года назад
I've used a 95 Bronco for years on 33s. I've also use jeep CJs and a 1974 IH Scout II.
@dougj.8288
@dougj.8288 3 года назад
I’ve owned a cj7, 2 YJ, LJ, TJ, JKU and 2 XJs. For the price and throwing the family in, the XJ has been my favorite although the XJ price around here has went up especially for the 97+.
@timcorey8474
@timcorey8474 3 года назад
I'm building a 94 ZJ with a turbo 5.3.
@stahlke775
@stahlke775 3 года назад
2006 Toyota 100 series land cruiser.
@95K2500
@95K2500 3 года назад
I have a '95 K2500 Chevy Suburban lifted with a 454 very much like yours....uses a 6'' Pro Comp lift with 305/70R/16 tires and wheels.I've had it for 13 years now and it's still going strong(266,xxx miles).Love that thing :)
@jonnyreach8345
@jonnyreach8345 3 года назад
I am so excited for this video series. XJ's and LS's go together really well but there's just not a we'll documented series of making it work. Thanks a million LT!
@jaimesolano5223
@jaimesolano5223 Год назад
What engine is in the jeep?
@shanemcnulty138
@shanemcnulty138 3 года назад
I have done this swap, move the motor back to with in a half an inch of the fire wall. You will gain so much more room for the radiator plumbing, the throttle body and the air intake. Thanks for the great videos.
@timcorey8474
@timcorey8474 3 года назад
agreed an inch between the engine and firewall is easy with a bfh.
@TorquePowerVideo
@TorquePowerVideo 3 года назад
That's good info on the numbering system for the transfer cases. Makes perfect sense.
@srtabc123
@srtabc123 3 года назад
Wow, about the same amount of time as a 30 minute network show but here I actually learned a lot. Thank you! I’m glad you got your time on tv to get your name out there but RU-vid is your calling, you can show off you aren’t just a “sponsored part” installer but a truly gifted fabricator. Keep up the great work, love the content.
@LawrenceTolman
@LawrenceTolman 3 года назад
hey thanks a lot! I do enjoy making the content
@1crazynordlander
@1crazynordlander 3 года назад
Thanks for sharing. Maybe a goal for this 62 year old to take my lifted '01 XJ and put in a LS. I did my transfer case slip yoke eliminator while it was still in the vehicle. It was rather easy. Enjoying the series.
@loganworthington4208
@loganworthington4208 3 года назад
Loved the bit on transfer case numbering. Thanks for that info, I never figured they had a meaning
@LawrenceTolman
@LawrenceTolman 3 года назад
Glad it was helpful!
@emtjc8465
@emtjc8465 Год назад
my np231 pump did the same thing when I installed my slip yoke eliminator kit. Glad I had this video to watch for all the info you give on it.
@DriveCarToBar
@DriveCarToBar 3 года назад
taking apart a t-case with no safety glasses. The snap rings on those things scare the crap out of me lol. It's like bringing a new set of guitar strings up to pitch for the first time.
@TristinWilliams43
@TristinWilliams43 10 месяцев назад
The man that doesn’t blink
@karyndakougar
@karyndakougar 3 года назад
Double check the front driveshaft since it won't work up front. See if it fits out back now. Those dang xjs are pretty decent when it comes to being able to flip flop parts around
@dustinsnider1646
@dustinsnider1646 3 года назад
These videos are exactly what I needed. Almost did the TDI swap but let's be honest it's all about those smiles per gallon folks! LS wins.
@teaguegearhart9851
@teaguegearhart9851 3 года назад
Keep them coming. XJ project is may fav right now.
@chrisanderson2311
@chrisanderson2311 3 года назад
Get this man a Keeps sponsorship! Haha kidding, stoked on this build. I’m about to start putting a 6.0l in my Comanche. Watching from up in Ogden.
@LawrenceTolman
@LawrenceTolman 3 года назад
haha... I could use their help lol
@mrgmc6314
@mrgmc6314 3 года назад
So the other day I messaged you here about my vortec 8100 misfire issue .... crazy but it's fixed itself.... I started the truck and its running great not throwing codes and drives perfectly.... soo crazy .... I bought the truck drove it for 9 months had a radiator issue that took me a year to get to... then it ran rough since when I would start it from time to time .... the one time I drove it while it ran rough it bucked like crazy going down the road ... now all of a sudden its idle is great its driving great .... i literally did nothing but start it from time to time to clean leaves in the driveway.... and magically it's working.... just figured I'd give you the update....
@davidn1503
@davidn1503 3 года назад
Looks like my XJ! But Mine is a 4 door... love the build. You are answering a lot of questions that needed to be answered
@matthewtaylor3308
@matthewtaylor3308 3 года назад
Please get yourself a workbench! This build deserves room to work!
@LawrenceTolman
@LawrenceTolman 3 года назад
I know, I desperately need one
@seabasskrahn4286
@seabasskrahn4286 3 года назад
Can't wait to see it finished. But take your time, as someone wanting to LS swap an xj, it's very helpful covering xj specific parts and details
@LawrenceTolman
@LawrenceTolman 3 года назад
Thanks, will do!
@lukesizemore1170
@lukesizemore1170 3 года назад
Looking great LT! Cant wait to see this thing ripping up some trails. Love the fact you are doing all this stuff with basic tools, no lifts or crazy expensive tools that us average people can't afford.
@FCspecial
@FCspecial 3 года назад
Hi JT, Nice project. I've been accumulating parts to do the same to my '99 Jeep Cherokee. I have a 5.3 L33 out of a 2005 Silverado to use. The car is a manual with the 5 speed and plan to keep it that way. Yes I know about Novak and plan to use some of what they sell. Being retired and fixed income I just can't go out and buy every single thing, so being creative is what I need to do. I need to keep it simple. I have an MSD LS Ignition controller. A Edelbrock carb manifold came with the engine. Maybe you can do a video on this kind of swap keeping simple like us backyard mechanics would do. Keep the great videos coming, have a great day!!
@Upracefan
@Upracefan 3 года назад
Hot water parts washer would come in handy for the transfer case job!
@LawrenceTolman
@LawrenceTolman 3 года назад
yes, I need to get one
@johnelliott7375
@johnelliott7375 3 года назад
Much needed for my Wednesday evening. Thanks for your time LT.
@LawrenceTolman
@LawrenceTolman 3 года назад
You are so welcome!
@jordanwilliams5559
@jordanwilliams5559 3 года назад
Thanks for the in-depth video man. I'm currently getting ready to swap a 5.3 from a Suburban into my XJ.
@ronniecardy
@ronniecardy 3 года назад
Love these videos better than Power!! they have old shows
@brandona4618
@brandona4618 3 года назад
Thanks for reminding me i have yet to do this myself....on my last chain too. Time to reorder now. They might be in by january
@ilmjcxj8064
@ilmjcxj8064 3 года назад
Novak sells two types of A/C brackets and compressors. One is similar to the setup here. The other one sites below the one used here and closer to the engine. I know some people don't want the A/C compressor below as they want to keep it away from water and dirt …etc. But for those that don't mind and want to keep the battery in its original place, that's a good bracket/AC combo to consider.
@jameshall4385
@jameshall4385 3 года назад
Looks good. I like the tips on the np transfer case numbers.
@hotroddude6551
@hotroddude6551 3 года назад
Great Job LT. Too bard you're so far away from me. I'd be all in to helping you along. Semi-retirement is boring.
@RandBLSWorld
@RandBLSWorld 3 года назад
The look on your face when that snap ring went flying is very familiar to me.
@ictcarguy3162
@ictcarguy3162 3 года назад
LT check out anaerobic gasket maker (PN 51813 Permatex) for machined flange mating surfaces it makes a cleaner and nicer seal compared to using RTV on flanged mating surfaces. There is a primer/cleaner (PN 24163 Permatex) if you need a quicker cure time. Use product sparingly since machined surfaces should nearly seal without additional sealer to avoid product entering the transfer case and entering oil pick ups. If you let the anaerobic cure fully it will not contaminate like RTV as the excess RTV breaks off into the oil when too much is used and clogs oil passages. You will not got back to RTV for machined surface sealing.
@johnboticki9154
@johnboticki9154 3 года назад
Thanks for sharing the NP info. Was cool stuff, never knew it.
@petershane8929
@petershane8929 3 года назад
10:14... Good time for safety glasses.
@cablenowadays6586
@cablenowadays6586 3 года назад
remember safety is number 3 priority. Number 1 is a full stomach. 2 is having fun but still swearing. 3 is safety.
@rogerrabbit189
@rogerrabbit189 3 года назад
XJ all the way!!!
@bigredracer7848
@bigredracer7848 3 года назад
11👍's up LT thanks again for taking us all along with you
@2000S10V6
@2000S10V6 3 года назад
Lovin' it! LT swapping an LS into an XJ
@thecombatengineer7069
@thecombatengineer7069 3 года назад
Stoked.
@danhambrick6331
@danhambrick6331 3 года назад
Can't wait to hear it fire up.💪
@chevyman8578
@chevyman8578 3 года назад
MY FAV TRANSFRECASE ITS A DANASPICER 300 ITS GEAR TO GEAR WITH 1 SHIFTER
@fredproctor6973
@fredproctor6973 3 года назад
When you put the transfer case back together make sure not to use too much sealer, it squeezes out on the inside and eventually ends up clogging the pick up screen for the oil pump.
@LawrenceTolman
@LawrenceTolman 3 года назад
good point
@thatmeangreen1052
@thatmeangreen1052 3 года назад
This is a very interesting series. You have my support to go big man.
@LawrenceTolman
@LawrenceTolman 3 года назад
thanks!
@fredbach6039
@fredbach6039 3 года назад
LT - I appreciate your enthusiasm.and confidence. On watching your workshop I wished my dad was still with us so we could build you a nice bench or two. I used his garage and pit quite a bit as a young man. Having a nice big place to work and store your stuff is important. And why didn't you wash up that case first?
@jimmorizen7416
@jimmorizen7416 3 года назад
Love the xj build
@allanrobinson3713
@allanrobinson3713 3 года назад
keep up the good work LT👍🏾
@ryanwojciechowicz1962
@ryanwojciechowicz1962 3 года назад
They are actually called kiwi rings idk why but they make kiwi pliers which are actually affordable I'm going to buy a set myself this week I build alot of sye for friends and myself
@dacoolmonkey
@dacoolmonkey 3 года назад
Keep up the good work. And like always professionally done👍🏻
@LawrenceTolman
@LawrenceTolman 3 года назад
Much appreciated!
@Blktpcrzrs
@Blktpcrzrs 3 года назад
Love the content, really enjoying the real world budget builds. Not like the "budget builds" that are done on tv 😉 lol
@jonathanvanginkel3849
@jonathanvanginkel3849 3 года назад
Looking good
@LawrenceTolman
@LawrenceTolman 3 года назад
Thanks 👍
@johnsmith-qz4bv
@johnsmith-qz4bv 3 года назад
great job that trasfer case looks like it never had an fluid change...and you are right it looks like it was found in a lake lol...put a hood scoop on it to clear the throttle body ..?..
@anomamos9095
@anomamos9095 3 года назад
There is an improvement mod that sometimes needs to be done to the oil pump. Often depending on the transfer case the oil pump will wear its way out of the transfer case and cause a massive leak and destroy the bearings and gears. The mod is a steel cradle that fits into the housing and provides an alternative wear surface. It also tightens up the gap so the pump doesn’t chatter about as much also reducing wear. There is a DIY mod where you grab some JB Weld and some packing tape and make your own cradle. First you carefully cover the tabs on the pump with a single layer of tape, then you mix up the epoxy and coat where the pump will contact the case, press the pump into the epoxy until it is seated and clean away any squeeze out. Let it set up the remove the pump and clean off the tape. The pump is now sitting so much tighter that it won’t chatter it will also need to eat through the epoxy before starting on the case. The bearings and gears will probably go long before it eats the epoxy through.
@anomamos9095
@anomamos9095 3 года назад
Before cutting the hood I would look into shifting the motor back further by massaging the firewall.
@andersonrowland
@andersonrowland 3 года назад
Great video! Glad to see the channel grow!
@tucksmith8300
@tucksmith8300 3 года назад
Looking good LT!!!
@LawrenceTolman
@LawrenceTolman 3 года назад
Thanks 👍
@frankrenteria4370
@frankrenteria4370 3 года назад
Hell yea 💯👍thanks. Been waiting for this one...
@LawrenceTolman
@LawrenceTolman 3 года назад
Enjoy!
@jeremyhanna3852
@jeremyhanna3852 3 года назад
Hopefully you install the case saver on the oil pump its just a metal shim type thing stops oil pump from rubbing on case the number one failure of that case is pump earing holes in case
@Thedriver96207
@Thedriver96207 3 года назад
This is a sweet build! 👍
@dheujsnrhfydhehehshshhdggsd
@dheujsnrhfydhehehshshhdggsd 3 года назад
Felt like I was watching the 8bit guy with the music on this episode.
@mr.miyashiro
@mr.miyashiro 3 года назад
You’re kinda doing my dream job LT! Don’t stop fab forever!
@LawrenceTolman
@LawrenceTolman 3 года назад
dont plan on it!
@liamjerkins7259
@liamjerkins7259 3 года назад
Man, you really need a parts washer with some good solvent, it would save on the price of brake parts cleaner, and keep you away from the harsher chemicals. Harbor Freight has one and it is very good for the price (the one I got is, don’t know how others are).
@MrGixxer1300r
@MrGixxer1300r 3 года назад
Thanks for the great content!!!!!!
@erikrunas226
@erikrunas226 3 года назад
@11:30. I thought I was the only who had those big cookie sheets.
@eduardogutierrez665
@eduardogutierrez665 3 года назад
I think we can swap the engine 5.7 for 5.3 or 6.2 on my 1997 silverado extended cab. 🤔
@LawrenceTolman
@LawrenceTolman 3 года назад
sounds like a good plan to me!
@chadbridges3507
@chadbridges3507 3 года назад
Love both engine's go with the 6.2
@dalehall2993
@dalehall2993 3 года назад
Do an LT 4 with a 10 speed auto..LT 5 if its in the "budget"..
@ValarAmstaffs
@ValarAmstaffs 3 года назад
Looking good!
@philrabe1158
@philrabe1158 3 года назад
Great job!
@blake8297
@blake8297 3 года назад
Lookin good!
@Trumpetmac
@Trumpetmac 2 года назад
Awesome build👍Did you use tge Advance Adapters 716202 - Advance Adapters NP231 Transfer Case 27-Spline Input Gears to bolt the 4l60 to the 231J transfer case, as well as the Novak adapter? I'm researching parts for my LQ4/4l65e XJ swap. if you were to do it again would you do it the same or use a NP transfer case from GM. Thanks
@mattlh113089
@mattlh113089 3 года назад
just put my 4.6 stroker in my xj. need to do a SYE. I'm getting a little driveline vibration. my np242 wont go in to low gear for some reason. It feels like it does even exist when I try to shift past neutral on the t- case. it worked years ago but I just got in the road for the first time in about 10 years after the engine rebuild.
@kylerugg2354
@kylerugg2354 3 года назад
love your stuff man, cant wait t see the ugly truck get refined but i alos wanna see the jeep crawling
@jonathanschrader7881
@jonathanschrader7881 3 года назад
fyi the s10 style transfer case the housings bolt pattern is different. it has 5 bolts not 6 like a normal gm but mine was an 87 i would think the input shaft would still be what u need being 27 spline 700r4 and t5 had 27 spline
@007freakazoid
@007freakazoid 3 года назад
I don't mean to sound like a naysayer, but I would urge you to verify where you heard about the transfer case numbering system. NP208 and NP232c/f/j definitely don't follow that scheme, and then there's the NP203 and NP205 transfer cases that are likely the most beefy-strong transfer cases made by the New Process coordination. As far as I am aware, the numbering system was and is simply by order of the generation they were designed chronologically.
@LawrenceTolman
@LawrenceTolman 3 года назад
en.wikipedia.org/wiki/New_Venture_Gear
@marklowe330
@marklowe330 Год назад
Would have been a great time to put in a two wheel drive low shift lever.
@LawrenceTolman
@LawrenceTolman Год назад
Great point!
@pappatimvw
@pappatimvw 3 года назад
I had a Jeep Cherokee I wanted to do this swap with plus adding a turbo.
@tessab1147
@tessab1147 3 года назад
Nice jeep
@LawrenceTolman
@LawrenceTolman 3 года назад
Thanks 👍
@CountryMileGarage
@CountryMileGarage 3 года назад
Wonder how the numbers work on a NP205 ???
@LawrenceTolman
@LawrenceTolman 3 года назад
I thought about that as I was making this video, so not entirely sure
@CountryMileGarage
@CountryMileGarage 3 года назад
@@LawrenceTolman but it's the only NP that's gear drive the others are all chain drive
@walkingrfarms3847
@walkingrfarms3847 2 года назад
I have a question about your assertation on the NP and NV transfer case numbers? What about the NP205? As I recall they were pretty tough. Great vids, Love the Xj content
@LawrenceTolman
@LawrenceTolman 2 года назад
thats a great question, and I suspect they changed their numbering scheme since the info I listed applies mostly to a lot of 1990ish and newer trucks
@walkingrfarms3847
@walkingrfarms3847 2 года назад
@@LawrenceTolman Thanks for the response, and that makes sense. Awesome vids man!
@jwg34
@jwg34 3 года назад
Another great vid
@LawrenceTolman
@LawrenceTolman 3 года назад
Thanks again!
@TheePoof
@TheePoof 3 года назад
Awesome nerd out on the transfer case numbering! Do you happen to have a link to where you found that info so I have a hard copy?
@Thedriver96207
@Thedriver96207 3 года назад
Who disliked this? The lobbyist for the RPM act?
@ricardo340
@ricardo340 3 года назад
Safety glasses
@buildingusa9604
@buildingusa9604 Год назад
Amazing video 👍 what is the cost 💰 🤑 Labor And where are you located?
@tobygangluff
@tobygangluff 3 года назад
So glad you’re doing this swap because this has been on my mind and watching this should solidify some questions I have. One thing I noticed was that the planetary set had 6 pinions instead of 3 which means it also has a 1.25” wide chain instead of 1.0”. Can you confirm that or is this a rare case or maybe from a gm or something. Thanks man.
@LawrenceTolman
@LawrenceTolman 3 года назад
no, there are only three actual planet gears on this one, check out 13:19 in the video for a close up, just a regular old NP231 as far as I'm aware
@tobygangluff
@tobygangluff 3 года назад
@@LawrenceTolman your right 3pinion. thanks man
@tilercraigmyle6957
@tilercraigmyle6957 3 года назад
So when you are talking about the meaning of the 3 digit numbers of the np transfer cases, you are saying that the middle digit gives a scale of the strength of the t-case.....ok but what does a 0 mean like in a np205?
@keelycandoit1554
@keelycandoit1554 2 года назад
What kit did you buy. That’s exactly what I need and can’t find the kit you used anywhere.
@DavidPerez-tk5cp
@DavidPerez-tk5cp 3 года назад
Great video, where did you buy the new input shaft?, part number?
@LawrenceTolman
@LawrenceTolman 3 года назад
dont have a part number right off hand, but its fro Advance Adapters
@Tsilsby
@Tsilsby 3 года назад
should have upgraded the planetary while you had it out... just makes its a wee bit stronger.
@jimmyburks7030
@jimmyburks7030 3 года назад
I am collecting all of the parts to upgrade everything in the T-CASE and do a complete overhaul when I get it back from LT.
@burnerloco4138
@burnerloco4138 3 года назад
Couldn’t you have cut out some of the inner fender well to mount battery parallel with the fender and then boxed it in. Or would that interfere with tire clearance?
@opryl
@opryl 3 года назад
So why go with the Advanced Adapters NP231 input shaft instead of Novak's 4l60 output shaft? Especially if the 231 is the weak link, it would be easier to replace without having to change the input shaft every time.
@opryl
@opryl 3 года назад
I ask because I'm in the process of building a 6.0 for my cherokee right now.
@LawrenceTolman
@LawrenceTolman 3 года назад
thats a great question, but I'm just installing what was provided and didn't make the decision on what parts to purchase
@jimmyburks7030
@jimmyburks7030 3 года назад
I didn't want to have someone disassemble the trans. to install the shaft, and a stock trans can go back in if needed.
@crystalcortez9293
@crystalcortez9293 3 года назад
LT is there a benefit to running the jeep np231 vs. a 90s Chevy S10 np231?
@LawrenceTolman
@LawrenceTolman 3 года назад
not entirely sure, but I think the front output on the Jeep NP231 is a fixed yoke where the S-10 might be a slip yoke since its from an IFS truck?
@6bangerwander260
@6bangerwander260 2 года назад
How did you get the VSS to work? Did you take the 4l60e 4wd adapter to a machine shop and have it machined or can you buy it already set up for a vss
@joshuastanden
@joshuastanden 3 года назад
I'm not sure if you mentioned it - how long did it take you to rebuild that whole thing? Like, just a guess at total work time? Thanks in advance.
@brokeboigarage3138
@brokeboigarage3138 Год назад
do you know exactly how much forward it is compared to the 4.0L? wanting to do this but do not want custom driveshafts
@kevinthouvenell1750
@kevinthouvenell1750 3 года назад
U can split the 231 jeep case and use the 231c trans side case
@samuelmayhew2749
@samuelmayhew2749 3 года назад
yes just did this, believe the gm 231 came out of an older s10 4x4. then just used the jeep back half on it. plus the gm 231 has a stronger chain than the jeep 231
@governorrifleman22
@governorrifleman22 Год назад
I have an 1985 jeep Cherokee pioneer with an ol 2.8 amc engine (junk) and I wanna keep it carbed so what transmission would you drop in with a 350 Chevy v8
@baniyasi8121
@baniyasi8121 5 месяцев назад
Hi, What about 4 lo position and shifting pionts as your vss is is between trans and transfer case , so there no difference in speed for 4h or 4lo to pcm Do you need to connect 4lo switch ?
@johnpadilla362
@johnpadilla362 2 года назад
If you dont mine I missed what transmission you mounted on that LS.
@LawrenceTolman
@LawrenceTolman 2 года назад
it was a 4l60e the customer supplied
@SKYENET-zy2cn
@SKYENET-zy2cn 3 года назад
LT question GM 8 or 10 speed automatic swaps. Good or bad idea?
@gunsandhorsepower
@gunsandhorsepower Год назад
Is the monster transmission 46re for the 01 ram any good lookimg to do a hemi swap but i need a strong transmission for my 4x4 hemi swap in my 01 ram 1500 4x4
@lancewilliams4623
@lancewilliams4623 3 года назад
How tall is the intake? From the block the top of the in take.
@johncarter7316
@johncarter7316 Год назад
Need info on the new input shaft please
@LawrenceTolman
@LawrenceTolman Год назад
send an email to tolmanperformace@gmail.com if you are interested! we just got into a shop and are open for business
@gregj.gotham4402
@gregj.gotham4402 2 года назад
Why not go with a engine from a STS or engine from a Track Hawk, to much power ?
@williamiverson903
@williamiverson903 2 года назад
Mostly because junkyard LS engines are dirt cheap in comparison. And a great combination of size, weight and power.
@tymyshoes103
@tymyshoes103 3 года назад
LT, did you use Vaseline to “lube” the seal?
@LawrenceTolman
@LawrenceTolman 3 года назад
yes I do
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