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Re: LS1 '48 3100 swap, rpm range, few other questions
When I had my 3.8's the lock up would never complete until I was over 65-70 which I was told wasnt good, this ( and Posi) was one reason why I rebuilt my rear diff and added the 3.73's. I have a 28" tire ( P275/60/15 BFG)
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