WHINING
I had a set of 4.10's installed in my 94 cobra. The guy who put mine in told me to break them in first before romping on them. He said i should drive it for a lil bit then let them cool. I did this several times and about after a week, they were broken in and they stopped whining. Give it a couple more days and see what happens. If they dont stop whining, you should go back to him.
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