67 Rs Project
Trying to decide on rear gear ratio.. I am building 355 400hp, m20 4speed and bu code 12 bolt rear. looking for suggestions on ring and pinion ratio. I want good bottom but also want good top speed. Im listening .....
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If driving only around town, you'd be more than happy with 4.10's. Take it out on the highway once in a blue moon, 3.73's. But if doing combination driving, I'd go with 3.55's.
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You stated you have a BU coded axle = 3.73:1
Wonder if original axle - could have been ordered singularly, or with an SS option - 4P on Trim Tag. Might have radius rod? Round rod is early production up to Jan '67. However, if looking for highway usage, 3.31:1 or 3.55:1. Otherwise, leave it if BU is true. |
Its not the original rear for car, I bought it in Pa. this week. its a 69 camaro rear from Z28. Someone put swapped the 3.37 out with 4.10. I do have the original 373 gear. I just plan to drive it and enjoy. the code is : Bu 1105G2 Casting is 3894860NF
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Originally Posted by billy1979
(Post 705649)
I just plan to drive it and enjoy.
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