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Unread 01-27-2011, 03:15 PM   #1
brkeep
Registered User
1999 TJ Wrangler 
 
Join Date: Mar 2010
Location: Scottsdale, AZ, AZ
Posts: 78
LT1 swap Transfer case

I'm getting ready for my LT1 swap, I'm mating it to a 700r4. My question is what transfer case should I use? Should I keep my current NP231 and use the adapter from Advance, or should I get an np231c out of a Blazer that bolts right up to the 700r4. I understand the advantages of the Chevy transfer case but I can't find one with a mechanical speedometer, only electric. Is there a year and truck to look for in a junkyard that has a Chevy t-case with a mechanical speedo?

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Unread 01-27-2011, 03:33 PM   #2
Max-Q
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1997 TJ Wrangler 
 
Join Date: Aug 2009
Location: St. Louis
Posts: 808
Sorry I can't help you on the TC. Make a build thread with lots of pics please. I'm really interested in seeing what route you take with this. I'm swapping a SBC 383 with TPI and a 700R4 from a 1990 Vette into my CJ. Luckily I already have a Dana 300 tranny so I don't have to worry about that issue.

Do you have emissions where you live? If so, how are you going to deal with that? We only have emissions here for 96 and newer vehicles so I'm not willing to mess around with my TJ.

Good luck with your build.
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Unread 01-27-2011, 03:44 PM   #3
brkeep
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1999 TJ Wrangler 
 
Join Date: Mar 2010
Location: Scottsdale, AZ, AZ
Posts: 78
I plan on taking a ton of pictures, I bought a new camera before I bought the engine and transmission. I'm in Phoenix so we do have pretty strict emissions here. The motor is out of a 94 Corvette and we don't have the year restrictions here, I can put a 94 engine into a 99 Jeep and still be compliant.
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Unread 01-27-2011, 06:55 PM   #4
brkeep
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1999 TJ Wrangler 
 
Join Date: Mar 2010
Location: Scottsdale, AZ, AZ
Posts: 78
Wow I feel dumb now, just figured out TJ's have electric speedos. Because I replaced the gear after my tires I assumed it was mechanical. Anyone done this t-case swap before?
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