I've had some valvetrain issues with mine since the cam/spring swap and valve job... Everyonce in a whille i get a certain valvetrain noise that gradually gets louder and louder... then fades out...
stock pushrods
And i've seen guys run LS6 springs with XER lobes (.581 lift).
04 Silverado Z-71 Extended Cab
Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4
06 2wd
custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch
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