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Old 11-22-2002, 03:30 AM   #1
Ron's68
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Join Date: Mar 2001
Location: Modesto, ca
Posts: 143
307 to 410 gears?

I am switching from 307 to 410 gears. Has anyone done this and did it make a big difference in performance? I have a rebuilt motor and right now it will barely do a burn out with one leg. The rear tires are 295/50's which is a lot of rubber but the motor was suppose to put out close to 400hp. It dont fill like it. I hope this makes a difference. I can hardly wait. I would call in sick to finish it but my boss would'nt like it much.
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68 LWB, .040 over 350 with 10:1 pistons, balanced, vortec heads,comp 270H cam, air gap RPM manifold, holley 750, 4.10 posi and gear drive to annoy the neighbors.
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