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Old September 29th, 2009, 10:04 AM   #1
musil
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transfer case questions

the v8 swap hit a snag last night, i wanted to try and use the jeep t case behind my 700-r but the splines are different, what other options do i have for a t case that would make my stock speedo work, the s10 t case i have is for a mech. speedo. any help would be great.
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Old September 29th, 2009, 10:10 AM   #2
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what jeep t-case? d300?

google it, this is what i came up with

http://www.novak-adapt.com/catalog/kit_137.htm
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Old September 29th, 2009, 10:49 AM   #3
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If you have an S-10 drivetrain, you may have another problem. Does your S-10's 231 have only 5 mounting studs on the front of it? All the Jeep and other NP cases have 6, which is the standard NP pattern. The S-10 is the oddball.

If this is the case, you will need another transfer case adapter for your 700r4 that has 4 holes on the trans side and 6 on the t-case side. Any full-size truck application with a 700r4 and a 208 or 241 will have the correct adapter, but there could be differences in factory clocking. I know my 208 in my 87 Suburban wth a 700r4 is clocked way the hell down.

Is it a 27-spline input that you're looking for? Later Chevy trucks with driver-drop front diffs should have transfer cases (like a 241) with the 27-spline input.

Really going to need to know what you're trying to swap the driveline into, also.
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Old September 29th, 2009, 12:30 PM   #4
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the driveline is out of an 84 subburban 350 w a 700r4 i have the adapter plate for the s10 tcase but its mech. speedo, so a t-case from a fullsize truck thats driver drop will work as well?? i'm trying to make my speedo work as easlily as possible, the jeep is 99 XJ it had a 4.0 with an auto tranny
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Old September 29th, 2009, 12:33 PM   #5
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In that case, I think what you want is a driver-drop Chevy 241. I don't know how the speedo is fed on one of those, though.

Its probably time to get this thread moved to Chevy Tech since the problem is almost all non-Jeep.
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Old September 29th, 2009, 03:56 PM   #6
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Take rear half of jeep 231 case bolt onto front half of the chevy 231 case and done!
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