Originally Posted by topmeat69
I changed my 91 caprice from the standard 2.56 to a 3.42 eaton posi, the effect was great, it jumped from 70 to 90 mph and from a stop I could turn the car without moving it forward,Lots of fun too. In that year the 3.42 was put on the police cars, in 94 I think the 3.23 was the highest ratio offered.
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