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Old 02-20-2024, 11:52 AM   #15
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Originally Posted by rich2342 View Post
So, What is the concensus on best gears. 4.11 with the 9 tooth/37 ring or the 4.10 with 10/41 ring?

Looking for quiet and reliable of course..
I'm not sure we ever "landed the plan" on this discussion. What I believe is that your two targets - quiet and reliable - are opposed. A 4.10 is a "finer" gear mesh, whereas the 4.11 is more coarse. I would expect the 4.10 to be quieter, but weaker, and the 4.11 to be louder, but stronger. I don't know that in practice there is a tremendous difference in strength, and relative noisiness comes down to the type of bushings in the rear of the car along with the quality of the setup on the gears.
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Old 06-15-2024, 10:33 PM   #16
Drives: g5 Camaro
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Originally Posted by NEstyle View Post
Two cut gears are face hobbed. Good point about strength, though. Two cut gears are supposed to be weaker than 5 cut gears due to the reduced contact patch. Can you even buy 5 cut gears for these rears?
Exactly. 2 cut is weaker. The only reason for making a 2 cut gear is to reduce the manufacturing cost. They are not quieter...if they are louder, it's because they are not setup right.

Yukon 4.11 gears are 2 cut.
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