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Tranny final drive different, Monte to Impala

Old Feb 5, 2013 | 03:10 PM
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robknight13607's Avatar
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Default Tranny final drive different, Monte to Impala

The tranny in my car was a donor from a 2000 Impala with the 3.8 from a bone yard. With weird shift issues a mechanic guy I know is telling me the final drive in these 2 cars is different, same tranny but different final drive. Anyone know any different?
 
Old Feb 5, 2013 | 03:20 PM
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I believe the Impala LS with the 3.8 had the same M15 RPO code which would be our 3.23 final drive ratio.
 
Old Feb 5, 2013 | 03:35 PM
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Depends on the engine it was mated to. You could have anywhere from a 2.86, 3.05, to a 3.29.
 
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