Rear Gears

Terry Hauck

Choadicus
Joined
Sep 6, 2017
Messages
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Location
Mojave Desert
I have a 69 Roadrunner with a bit above stock 440, a 4-speed, and a 509 cam. It bogs, and I have to slip the clutch to get it going with the stock 3.23 gears. What ratio would you guys run, 3.73 or 3.91??
 
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