How much boost will a 5.3 take
01-23-2013, 04:06 PM
#11
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Damn 25psi! That's getting close to raising the bar, no head studs? Just a factory 5.3 with boost and cam ect
01-23-2013, 06:10 PM
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Ive had mine up to 14psi with no problems and plan to go much higher. But boost pressure is all relevant to the setup. Chevy all the way, what kind of timing when you were running 18 psi on pump 93 with no meth?
01-23-2013, 07:47 PM
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01-23-2013, 09:13 PM
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18psi 14.5 deg timing 11.8 afr. no knock.