Video: Big-Block Chevy Hill-Climber Brings The Pain

Here at Chevy Hardcore, we’re all about making big power with Chevy motors. As par for the course, those motors are usually in the engine bay of a classic car or high horsepower truck. Once in a while, though, we find something different. In this case it’s a buggy. But this isn’t your run-of-the-mill buggy. Greg and Reid Gann of Fulton, Ms. Started with a Jimmy Smith Motorsports 1.5-inch tube chassis and ended up with something that can climb almost anything using gobs of horsepower.

The rock climbing beast is brought to life with a 454ci big-block, bored 0.030-inch over. The guts of the motor consist of a Comp Cams hydraulic roller cam, springs, and 1.7:1 rocker arms. With 11.0:1 compression, the engine gets its fuel and air mix via closed chamber 427 heads with a Holley 900 cfm throttle body fuel injection system.

That’s right, this motor is fuel injected! Of course, making all this power is pointless if it can’t be harnessed; which is where the drivetrain steps in. Paired up to the bored over 454 is a Turbo 400 transmission sporting a TCI circle track shifter.

The suspension is pretty impressive as well. The back axle alone has a shopping list consisting of a Blue Torch Fab 14 bolt truss system, a Detroit Locker, and a 4.56:1 Yukon gear set. While this would be enough to satisfy most track racers and weekend cruisers in their rides, off-road buggies need serious reinforcement on the front axle to handle all the power being sent there via their 4 wheel design.

Greg and Reid’s impressive front axle is a Dana 60 with a Wide Open Design truss, Eagle Machine steering cylinder, Yukon 4340 axles, and Yukon super joints. The gear set is the same as the rear with 4.56 yukon gears and spool. Fox coil-over shocks and bump-stops help the buggy handle all the rough terrain it can find. If this video got your blood pumping, check out the Ganns doing their thing as well as other crazy off-road creations at MadRam11 Production’s off-road website by clicking here.

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