SM 420 swap with TH 350 - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-08-2004, 01:53 PM
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SM 420 swap with TH 350

I have a 65' Chev pick up that is two wheel drive, it is equiped with a SM 420 four speed and I want to put it into my 74 Chev 4x4 short box. The 74 is equiped with a TH 350 married to a NP203 transfer case. I want to know if it would be best to run the SM 420 and a NP 205 as a divorsed set up or if I can still use my NP 203 as a married set up, and where to find the parts for the trans swap.

Thanx, bear
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post #2 of (permalink) Old 08-12-2004, 10:38 PM
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Re: SM 420 swap with TH 350

Does any one know what's involved in this kind of swap? I really could use some advice on this one, I'm kinda flyin blind here.
post #3 of (permalink) Old 09-13-2004, 10:12 AM
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Re: SM 420 swap with TH 350

The best thing to do is check out Advance Adapters.

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