Re: Rear diff chatter
I know it's just not right but I use ford friction modifier cm-19546-a1 in my 70 chevelle 12 bolt with factory limited slip. A local speed shop recommended it. It stopped the chattering years ago and I love to launch the car hard.
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72 CST 4x4 Blazer, 1 ton
70 SS Chevelle, L78, 396
Everytime someone calls your Blazer a Bronco, God kills a kitten.
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