Did you check the tooth pattern when you set it up? Does this howl vary by acelleration or deceleration? You may have to get good directions or a good book & set the tooth contact correctly. If that is the case you shouldn't drive it. If you wear 2 patterns in the gears they will never be right.

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum