mmm i dono somethings not right may have to much fuel or a valve may not be seating have you pulled your valve covers
mmm i dono somethings not right may have to much fuel or a valve may not be seating have you pulled your valve covers
04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116
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