350 chevy with big mutha thumper cam built for my chevelle
350 chevy with big mutha thumper cam built for my 71 chevelle being broke in on the redneck floor Dyno. more to come as project completes.
Dodge Dart running and burnouts Big Mutha Thumpr
340 GTS Dart Clone with big mutha thumpr cam and doing a burnout. $19,000.
Comp Cams Mutha' Thumpr Cam installed in a SBC
450HP 383 with Comp Cams Mutha Thumpr Cam and Flowmaster 40s Series Mufflers. part number # 12-601-4 Basic Operating RPM Range 2,200-6,100 Intake Duration at 050 inch Lift 235 Exhaust Duration at 050 inch Lift 249 Duration at 050 inch Lift 235 int./249 exh. Advertised Intake Duration 287 Advertised Exhaust Duration 305 Advertised Duration 287 int./305 exh. Intake Valve Lift .489 in. Exhaust Valve Lift .476 in. Valve Lift .489 int./.476 exh. Lobe Separation (degrees) 107 Grind Number 287TH7 HYDRAULIC - Mutha' Thumpr™ - High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.