I just finished a body off restoration of a 65 coupe. It is a 300hp powerglide factory a/c car. My mechanic rebuilt the rear end using new Richmond gears, but it now has a VERY loud howl during accelleration and decelleration. It makes noise even during cruising, but not as bad as accelleration and decelleration. It is getting much better, but it is still too darn noisy.
The Richmond gear distributor said I can put another gear set in and it will also be noisy. He further stated that GM quit making replacements in 1972 and Richmond gears are always noisy and Richmond is the only source for aftermarket gear sets. I believe the current gear set is 336:1. The distributor said that changing the ratio will not cure the problem.
Any ideas?
The Richmond gear distributor said I can put another gear set in and it will also be noisy. He further stated that GM quit making replacements in 1972 and Richmond gears are always noisy and Richmond is the only source for aftermarket gear sets. I believe the current gear set is 336:1. The distributor said that changing the ratio will not cure the problem.
Any ideas?
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