So the ZO6 heads aren't too big for the 5.3? I heard somewhere the ZO6 cam is a small base circle so longer pushrods are needed.? Like I said, I love this little truck and the 5.3 is a runner, but there is a point in every engine where you go overboard for the daily driver. Don't want to reach that point. 350rwhp and mid 20mpg's sounds so nice right now.
2009 YUKON DENALI,BLACK ON BLACK, LS3, Dynomax 4" cat-back, VARA-RAM INTAKE, KOOKS LT's, MSD IGNITION, LS VVT hot cam, ZO6 springs, HP tuned to 421awhp, 12.54 at 108mph on 24's.TUNING FROM THE DARKSIDE.
06 KAWI BRUTE FORCE 916cc 6.80's in the 1/8th. ALL MOTOR. New found drug addiction is getting "HER" into the 5's. "EVER HAD A QUAD TAKE YOUR MONEY?"
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