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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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How many MPG's does the Chevy 8.1 Big Block get towing with CAM & TUNE ? Part Three REMATCH!
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LOCKED UP BIG BLOCK 8.1L Silverado 2500 Vortec 8100 Engine Teardown!
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572ci Big Block Gets MORE Power & Better MPG! #sustainability
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