Quote:
Originally Posted by droned23
Hi, I just upgraded to stage 2 cams and cam springs on an 03 wrx that has an intake intercooler race radiator exhaust and rebuilt heads. My engine does the same sputter. I am scheduled for 750ccinj and fuel pump install with a tune. will the tune fix this sputter?
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Did you set the valve lash on the cams? Sounds like the valves may not be closing fully.