Engine Builds

850 HP HELLCAT KILLER!

"We're calling it The Hellcat Killer", says Mike Petralia, owner and chief engine builder at Hardcore…

540ci All Motor Pump Gas Brute

The new AFR cylinder heads are the central component of this remarkable piece; a real world engine…

Blown Hi-Torque E85 Chevy Small Block

The key to power for this 628 HP 383ci blown street small block was the 177-cid Roots-style Weiand…

383 Chevy: Beyond the Crate!

Is the 383 Chevy the Most Popular Small Block Ever? That's easy to believe based on the number…
blown small block Chevy

1290 HP, 421ci Small Block Chevy Build

Sportsman racers have pretty much gone big league thanks to a broad performance market that offers…

A 735hp 438ci Small-Block Ford Bullet

This 438ci 735 HP Ford drag racing engine represents Hardcore Horsepower's unconventional, but…
cob ra jet

Building the 750 HP Ford Cobra Jet

Ever wonder how carefully your Cobra Jet drag racing engine gets assembled at the factory? No doubt…

663hp 434ci Small-Block Street Engine

When tasked to build a 650hp+ street engine with lots of restrictions, Mike Petralia's Hardcore…
565 cubic inch BBC

565ci Dart BBC Race Build

Our sample engine build is a 565-ci big-block Chevy based around a Dart Big M cylinder block and…

World’s First DOHC, 4-Valve per Cylinder Racing Engine

The key concept to this timeless racing masterpiece is the airflow enhancing inclined 4-valve top…
dodge

Montana Dodge Boys Scorch the Records

The V4F (Vintage 4 cylinder Flathead) engine class at Bonneville requires only an original pre-1935…

622 HP Blown Street Small Block

Sometimes a simple straightforward combination is best for a particular application. No tricks,…
chevy small block

Hardcore Horsepower’s 692 HP 406ci Chevy

A 406 cubic inch small block is one of the most popular choices for Chevy powered sportsman drag…

304ci Y-block, 147 MPH…’62 Ford Pickup

Y-Block powered Ford pickup busts a move at 2013 Bonneville Nationals with a 147 MPH pass that…