PowerNation is your destination for classic Muscle Cars, horsepower-fueled engine builds, trucks, 4x4’s, and much more!

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We're twin-turboing our 600+ HP 427ci Small Block Chevy with new EFI, pushing Baby Blue to the limit!

Engine Power

Twins for the Win

We upgrade our 5.3 LS with forged parts, cam, EFI then dyno NA and boosted on 93 octane.

Salvage to Savage 5.3 LS

The 427-ci LSx engine for Music City Trucks' C10 is being completed with EFI and dyno-tuning.

427ci LSx Part 2

We build a 427ci pump-gas LSx for a Music City Trucks C10, aiming for hot rod power.

427CI LSX, Part 1

The visit to UNOH includes building and dynoing a 434-cubic-inch UMP Modified dirt track engine.

PowerNation: Engine Power

434ci UMP Race Engine

Continuing the buildup of a 509ci W-Series engine and getting it ready to hit the engine dyno; wrapping up this vintage-looking hot rod power plant with high flowing induction and throttle body EFI before seeing how much power it makes on the dyno.

509ci W-Series Big Block Chevy Part 2

We build a big-inch, pump-gas Chevy W-Series monster from an aluminum block!

509ci W-Series Big Block Chevy Part 1

The battle between the Classic 302 SBF vs. 305 SBC continues; going head-to-head, Ford vs Chevy; keeping it simple with only one change, compression!; increasing the compression on both engines and getting them as close as possible.

302 vs 305 Pt 3 High Compression Showdown

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Pro engine tips on assembling and tuning everything from street engines to full-race motors.

S12 E10 | 509ci W-Series Big Block Chevy Part 1