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i have a 77 nova mild 355 342 gears runs mid 13 for my wife would changing the gear make a difference in picking up some time and if so what gear would be good
 

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It is only going to pickup if your crossing the finish line below optimum rpm. What rpm is peak HP at? and where is it crossing?
 

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i have a 77 nova mild 355 342 gears runs mid 13 for my wife would changing the gear make a difference in picking up some time and if so what gear would be good
You're running mid 13's with a 3.42 gear? Yes, you would most def pick up ET with a gear change. I went from 3.42's to 4.56's and went 14.30's to 13.50's. Use one of the online calculators (Wallace) to determine what gear ratio you want. You're probably running like a 28" tall tire? I say 4.10's if its a street car....
 
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