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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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LOCKED UP BIG BLOCK 8.1L Silverado 2500 Vortec 8100 Engine Teardown!
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Driving in Badlands National Park, South Dakota. #southdakota #badlands #badlandsnationalpark
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Total Idiots at Work Caught on Camera | Best of 2024
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Here's Why The GMC Yukon 8.1 Is The Best SUV Of All Time: Ultimate Buyers Guide
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We Built This 6.7 Powerstroke… Then It Came Back Blown Up
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8.1 Vortec Testing the New Old Motor Hauling Gravel
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CAMMED 8.1 VORTEC GMC SIERRA 2500HD HIGH RPMS IN DEEP MUD... DO I GET STUCK AT THE END?
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GM 8.1L Allison Equipped Vs. LB7 6.6L Duramax.... FIGHT
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Gear Swapped 13-Speed + 24v Cummins in a F-350
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Jaw-Dropping Tractor Fail Compilation 2025 | Extreme Heavy Equipment Driving #Part 8
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SKETCHIEST RACE EVER in the Turbo 8.1 Silverado
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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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Have I Gone Bankrupt Driving My 8.1 Liter GMC Yukon 2500?
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Unbelievable Workers Compilation 2026 | Working with Talented Engineers #44 #fail #construction
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1969 f250 4x4 Diesel Build! From Start To Finish! (2 Year Timelapse)
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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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I Repaired the Broken Swing Gear which no Mechanic Repairs |Give your Opinion by Watching the Video
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This 1987 Dually Hasn't Run in 15 Years! | Roadworthy Rescues
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