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Originally Posted by JEFF69Z28
great afr said the head and cam package i bought from them was good to shift at 71-7200 rpm.I was thinking 4.56 which is all i can find for my 8.5 10 bolt,where could I purchase a 4.30 ring and pinion?
But i kinda wonder how you're going to put that much torque to the ground with a 9" tire and a car weighing almost 3500lbs. Zip. http://www.ringpinion.com/ProductDet...px?ProdID=5428 |
Jeff has a 3500lb car I think I'd install as much gear as I could to get it out of the hole. ET is in the first 300ft.
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9" wide is all i can get for width in the 86 ss monte carlo,should i go to a taller tire?
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Originally Posted by dparker
He's running a 4500 stall so the slipage will be minimal. I think the growth of the tire will off set the slipage of the convertor. I'm using a dragmath program thats been very close on actual numbers for me. A 27 in tire actually has 84.82 roll out.
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I would but I think about a 29 to a 30in tall is all your going to be able to get without cutting your fender wells. For every inch you go up in height it will make about 5mph difference. So if you went to a 4:56 and was turning to many rpms you could always go up in tire height.
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THANKS FOR ALL THE INPUT.I THINK IM GOING TO GET A 4.56 AND IF IM TURNING TO MANY RPM'S I WILL GET A TALLER TIRE.
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Originally Posted by dparker
I would but I think about a 29 to a 30in tall is all your going to be able to get without cutting your fender wells. For every inch you go up in height it will make about 5mph difference. So if you went to a 4:56 and was turning to many rpms you could always go up in tire height.
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