Cammed 8.1 Big Block Chevy Dyno Tune. How much power did it make to the wheels with new Comp Cam?
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Cammed 8.1 Chevy Big Block Maxed Out Towing MPGs. How many MPG does a tuned 8.1 get at max GCWR?
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JUNKYARD 8.1L CAM TEST. STOCK VS ZZ502-REAL DYNO DATA. HOW MUCH HP IS A ZZ502 CAM WORTH IN A GEN 7?
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You’ll Be Shocked By How Much Gas These Behemoths Guzzle - V10 Ford Excursion vs 8.1 GMC Yukon!
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we made INSANE POWER GAINS: the ultimate big block tow rig
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496ci Stroker Big Block Chevy - Engine Power S10, E15
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'Big Iron' Duramax Legend Series build #008 | 1976 K20 Crew Cab Short Bed | Details and Drive!
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1,000HP ZZ632 GM Crate Engine "Work Truck" UPGRADES!
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