First-Ever LS3 Swap H3 Hummer | History-Making 4L70 Build by Outlaw #bestbuilder #customenginebuild
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YouTubeBest Engine Swaps |LS, Coyote, Hellcat Builds
First-Ever LS3 Swap H3 Hummer | History-Making 4L70 Build by Outlaw #bestbuilder #customenginebuild
This build made history. The first-ever documented LS3-swapped 2008 H3 Hummer — no kit, no guide, no blueprint. Featuring a 6.2L LS3 mated to a 4L70 transmission, this is the only H3 on record to get the full swap treatment and stay 4WD-functional. Custom-built by JT @ Outlaw Performance, known for pioneering record-breaking swaps and ...
1.1K viewsApr 22, 2025
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