LT4 hotcam grind number?
As far as i know the first 3 digits should be consistent with the last 3 of the GM part number 573 I believe but jsut chek it out..the others are like FM and another 3 digit number FM is the maker Federal Mogul prolly and the other are batch numbers and run numbers from the machine shop..hope this helps..take it to a machine shop and see if they can give you some specs if you are still in doubt...hope this helps
Brad
Brad
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