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Re: Valve springs, 5.3 ?
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
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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