Re: Lt1 rear gear?
I made the gear swap from a 4.56 to a 4.88 and basically saw no ET difference.....
RPM went up 200-300
I was running A/FIA at the time and weighed around 3050lbs
Engine made it's fastest runs shifting 1-2 under 7000 and 2-3 at 7000
10.50's 124-125 in good air Not killer fast but not terrible.....that was 15 years ago !!
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Rich Biebel
S/C 1479
Stock 147R
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