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HOW TO IMPROVE 8.1L POWER. STOCK MANIFOLDS VS HEADERS. ARE SMALLER HEADERS BETTER? THE OTHER GUYS
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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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GM 8.1L Allison Equipped Vs. LB7 6.6L Duramax.... FIGHT
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Kodiak 5500 towing fail!
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Most Ridiculous Worker Mistakes Caught on Camera
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Towing 18,000 Pounds With a 24 Year Old 8.1 GAS V8, 1200 MILES, With Mountain Passes!
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Custom Kodiak C4500. The Legend of Goliath Begins!
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GMC Topkick (The new tow-rig)
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8.1L BIG BLOCK Update! A Lot Has Changed..... Part 1 #vortec #upgrade
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8.1 Vortec Cammed GMC Still Pulling Strong Hauling 15000lbs
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How well does a 8.1 GMC Yukon tow.
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8.1 Vortec Reliability & Common Problems
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Chevy 5500HD!! can it tow?? R&R weekend to Appalachian nowhere
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They’re realizing Trump DESTROYED their party
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DURAMAX KILLER 2500HD 8.1 VORTEC FUEL MILEAGE!! WORKIN IT HARD!! 5.13 GEAR SWAP, FUEL BILL AT END!!
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Millions of people are unaware of this method. A great plastic welding trick.
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Electric Fuel pump bypass kit,W20 W22 W24 Workhorse Chassis with 8.1 Vortec Engine
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Vortec 8100: Everything You Want to Know | Specs and More
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