Originally Posted by BLK2012GT
I have 3.31's so I shouldn't have to.
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looked it up... your 4th is a 1.34/1. My 86 has a TKO with a 1.32/1 which is nearly identical to your fourth. I had 3.55s and a 28" tire which is similar to a 3.25 rear gear vs my stock tire height.
I could only go about 120 at 7200 rpm, and you guys are spinning 7800-8000 correct? I would hope both of your cars would trap in the 135-140 range, so if that's the case you need a tall tire (28-29") or you are going to need to shift. If David has 3.73's he's gonna have to shift regardless of his tires. He'd be better off running a 26" slick if possible.
Just some friendly advice.
Im good at math and stuff.