Re: [AMC-list] 151 4cyl trans to 258-6 interchange question

[Frank Swygert <farna@xxxxxxx>]

I just checked the 81 and 82 TSMs Ken -- all the SR4s have the ratios I listed for fours and sixes -- different for each. The T-4, however, lists the same ratios for both: 1st = 4.03, 2nd = 2.37, 3rd = 1.50, 4th 1:1, R = 3.76:1. So obviously you were thinking about the T-4. 82 must have been a transition year, the TSM says both were used in all models for fours and sixes.

I note that if you're not sure which you have, it's easy to tell by the shift pattern. SR4 has reverse to the left and forward, T-4 has reverse to the right and back (at least in 82... all should be that way though). 

---------------
Date: Wed, 24 Feb 2010 16:50:59 -0700
From: Ken Ames <ameskg@xxxxxxxxx>

I'd have to check the references but I THINK this is the only year that the 4
and 6 SR4s had different ratios. Later ones all had the 4:1 1st. (?)
With a 2something:1 differential I prefer the 4:1.

--
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
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