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Old 06-07-2013, 02:45 AM   #13
66C06
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Join Date: Oct 2012
Location: Rockwall, Tx
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Re: Valve springs, 5.3 ?

Quote:
Originally Posted by crazy longhorn View Post
Many thanks to all It looks like the truck springs are around 76 #lbs on the seat, & 220 open @ .470 on the lift. I wouldn't think that the yellow or blue spring would hurt too much on the stock cam? They list @ #90 lb seat....around 265 open @ .525-.550 on the lift? Maybe just give the edge on a couple hundred more revs? Any thoughts on the stock retainers/keepers, as well as the pushrods(57-5800 rpm line)? Longhorn
ls6 springs should be fine for the stock cam. I would replace the retainers and what not with factory stuff if not going extreme...If you can find a set of aftermarket pushrods, retainers, etc for a reasonable price go for it.
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