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Street/Strip, Very Rough Idle

Comp Cams BIG MUTHA' THUMPR Hydraulic Roller Cam235/249 .573/.558 109 LSA, Street/strip, needs 9.5:1 CR , 2800 stall, intake, gears, & headers, very rough idle. RPM range from 2600 to 6800.

BIG MUTHA THUMPR - Street/strip, needs 9.5:1 CR , 2800+ stall, intake, gears, & headers, very rough idle.

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