Thread: What rear ratio
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Old 05-24-2013, 01:14 PM   #1
PolarBear
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What rear ratio

I am planning on rebuilding my other 10 bolt for the 73 soon. I have a Torsen T2R to put in it and 30 spline axles, should be bullet proof for the most part with what I plan on doing with it.

Currently the car has 3.42 in it but with an LSx based engine compared to the BBC I don't think that will be enough gear. I don't want to go too crazy high though.
I have to figure out what ratio to put in it. I am guessing either 3.73 or 3.9 gears. The car will have the LS1 T56, and a 26" tall tire, I think 274/40-17 right now, but I will be going to an 18 when I get the Fikse wheels and I am not sure what height tire I will run eventually, but it should probably be something close to what I had on the Solstice (245/45-18) when I put 18's on the Camaro. I think the 3.42 wont be enough with an LSx and a T56 with a .5 (right?) 6th gear

Opinions/Experiences welcome
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