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The hefty hearse runs with a little help from some throttle in the bottle.

Assembly on the 4.3L engine begins with a solid bottom end.

Installing ported cylinder heads, upgraded valve train, and induction in the 4.3L engine.

We crank up the power on our old-school GM 4.3L V6 with some turbocharged forced induction.

"Dirt & Trails" kicks off with a 1987 Land Cruiser and a 1994 F-150, affectionately named Project Leadfoot.

Project Leadfoot gets a new roll cage, then upgrades to the lift, suspension, steering and brakes.

Chris and Eric install a 600hp Ford 460 Big Block and Tremec TR4050 into Project Leadfoot.

Eric and Chris overhaul Project Leadfoot's gauges, build transfer case bracing, and wire it up.