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Old 08-14-2023, 02:17 PM
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Location: Northampton, UK
Cobra Make, Engine: Shell Valley Daytona, Ford 302
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Quote:
Originally Posted by MaSnaka View Post
I replaced my 9" rear with a unit built and supplied by Currie 3.73. It made a howling noise when in between accelerating and decelerating, kinda like coasting. I did put a heavier oil in it and it helped a lot. Years later I went to a 3.50 ratio and the mechanic shop who specializes in rear ends used Richmond gears and said they Richmond used to be noisy but now they are quiet. I dont hear that howling anymore so assuming Currie sets up their center sections correctly, I believe some gear manufacturers make better quality or maybe tend to have a quieter mesh.

John
Yes the noise is a bit like that. Present on the over run. Interesting that the heavier oil helped which is where my post started. Thanks John.
Dek
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