Originally Posted by PROPEL
hris, my transmissions are GT-specific, so they are already calibrated for 3.89s. Perhaps we could use a broken one as a starting point?
How are you switching the 4.11s over to 3.89s? (It would also be possible to use a 1.9L axle and drop in Isuzu 3.90s.)
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Well I was under the understanding that the 1.1L GT has a 4.11 rear end and the 1.1L Kadett had a 3.89. So I sourced a Kadett 1.1L rear end.
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Chris
Indianapolis, Indiana
Last edited by opelgt73; 05-14-2008 at 12:49 PM.
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