5.3 liter gmc cam change
03-16-2003, 03:36 PM
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5.3 liter gmc cam change replaced cam with a 313/313 lobe lift 533/533 valve lift 114 lobe sep 212 duration run ok do i need to degree cam and to what also running oem srings lifters heads have a maf translator headers duel exhaust power programer 3 gust want to do it right first time thank for any help
03-16-2003, 03:39 PM
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Re: 5.3 liter gmc cam change you wont run that cam long with the stock 5.3 valve springs, the springs you have are only rated to i think .500" lift. you should look into a set of ls6 springs or some comp 918s, SLP has a set rated at .600" but i don't know their part number or anything. it should run like a bastard step child with that cam in it, do you have any way to tune it?
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