News & Reviews

New DART SHP Series SBF Heads

Dart Machinery, has introduced a redesigned and improved SHP Series cylinder head for Windsor-based small block Ford muscle car…

New Toyota Tundra V8 Valve Springs

October 24, 2021
Check out this new Toyota Tundra V8 spring kit for modified performance engines and high rpm competition engines...

High Performance Rods For 5.2L Lamborghini & Audi V-10

High performance rods for Lamborghini and Audi V10s. These are for turbocharged engines. with moderate to high boost.

New Dart Small Block Chevy Heads

September 19, 2021
Dart Machinery has introduced a redesigned and improved SHP Series cylinder head for small block Chevy muscle car and street rod…

The Straight Eight Engine

A brilliant and detailed history of straight eight engines with specs and stunning photos...

The Beast of Bonneville

September 10, 2021
Brandon Leggett's 335 mph stock bodied Studebaker is a blown fuel nitro beast that stuns everyone with its blinding speed at Bonneville…

Goldenrod

September 3, 2021
This acclaimed work has been praised far and wide as the best book ever written about Bonneville racing and the World's Land Speed…

Speed Demon takes Tenth Hot Rod Top Speed Trophy

September 2, 2021
Another display of staggering speed with a 466.290 run to win the Hot rod Trophy.

JE’s New Ultra Series Sport Compact Pistons

August 29, 2021
Sport Compact and Euro enthusiasts can now avail themselves of the latest generation of Ultra Series pistons from JE.

Carbon Fiber Bottles from Nitrous Supply

August 21, 2021
Carbon fiber nitrous bottles with new high-tech valves bring a new level of safety and convenience to nitrous users.

Summit Racing 505ci Mopar Stroker Power Test

Mopar stroker makes big power and monster torque with mail-order parts.

505ci Mopar Stroker Top End Kit

Our 440 Chrysler stroker build was initiated to show the power potential of Trick Flow's PowerPort 270 aluminum cylinder heads...

Featured Story

Exclusive! Inside Wally Elder's Pro Mod Style Hemi Street Engine
 A Pro Mod based street engine for a screamin' badass '69 Dodge Daytona Pro Street Car

Engine Builds

Summit Racing 505ci Mopar Stroker Power Test

Mopar stroker makes big power and monster torque with mail-order parts.

505ci Mopar Stroker Top End Kit

Our 440 Chrysler stroker build was initiated to show the power potential of Trick Flow's PowerPort 270 aluminum cylinder heads...

505-CID Mopar 440 Stroker

Step by step prepping and assembling the short block for a 505ci Mopar RB stroker engine for big strreet/strip power...

Normally Aspirated C7 Z06 Build

The core structure of this engine is a new GM Gen V LT1/LT4 cylinder block both of which share the same part number. As seen here,…

495-cid Pontiac Powerhouse

Von Neal goes all-in with a Kauffman MR-1 iron block to accommodate a SCAT 4.5-inch forged stroker crank yielding 495 cubic inches…

850 HP HELLCAT KILLER!

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

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 supercharger combined with E85…

383 Chevy: Beyond the Crate!

Is the 383 Chevy the Most Popular Small Block Ever? That's easy to believe based on the number of rotating assemblies sold by Scat…
hemi inlet stucks

Hardcore Hemi Attacks the Engine Masters Challenge

The Adams and Smithberg team injected Hemi entry at the 2017 Engine Masters Challenge displayed one of the most unique active-tuning…
speed demon

Speed Demon’s A/Blown Fuel Streamliner Motor

Engine builder Kenny Duttweiler's thoughtful approach to torque-managed small block LS power and rear wheel drive may soon deliver…
blown small block Chevy

1290 HP, 421ci Small Block Chevy

Sportsman racers have pretty much gone big league thanks to a broad performance market that offers a remarkable variety of supercharging…
pro street

Boosting a 482ci Ford SOHC Cammer

When exotic excess isn't quite enough to satisfy the power demons lurking within, artificial aspiration frequently brings the heavy…

A 735hp 438ci Small-Block Ford Bullet

This 438ci 735 HP Ford drag racing engine represents Hardcore Horsepower's unconventional, but forward-thinking effort to create…
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 you've seen old newsreels with…

663hp 434ci Small-Block Street Engine

When tasked to build a 650hp+ street engine with lots of restrictions, Mike Petralia's Hardcore Horsepower, LLC in Franklin, TN…

383 Beyond the Crate LT1 Parts List

The following parts for the Beyond the Crate 383 project are all available through Summit Racing except where noted. These are the…

Tech Tips

Milodon 440 Chrysler Main Cap Upgrade

Strengthening a 440 Mopar block is easy with Milodon's redesigned cross-bolted caps.
arp bolts

ARP’s Secret Fastener Technology Lab

ARP's test lab has quantified the potential for a 20% or more loss in clamping force with used nuts...
compression ratio

Understanding Dynamic Compression Ratio

Your engine actually has two compression ratios, static compression ratio and dynamic compression ratio.
RTS PD Valve

RTST Ported Flow Testing Valves

The RTS kit permits precise mapping of the airflow values around the circumference of the valve at any lift value. It helps identify…
Engine Builing

Engine Building Rules Part 1: Planning

Consider a typical performance engine build plan that holds true for many budget based bracket racing builds and illustrates how…
Cam Lobe Profile diagram

Effects Of Changes in Cam Timing and Lobe Separation Angle

The following tables provided by COMP Cams illustrate how variations in lobe separation angle and cam timing affect engine behavior.…

Camshaft Basics

Pushrod based engines use two basic types of camshaft; either flat tappet or roller tappet. It’s a little more complicated than…
Piston Speed

Calculating Piston Speed

Mean piston speed has long been used as an indicator of component durability under severe service. It is a good rule of thumb for…

Porting Pointers

The objective of porting a cylinder head is to improve engine performance via constructive enhancements to the intake and exhaust…

Tuning Tips for Intake Manifold Deficiencies

July 28, 2012
Various modifications and adjustments can be applied to intake manifolds to fine tune them for specific performance requirements.…

How to Use a Dial Indicator

June 5, 2012
Dial indicators are one of the primary measuring tools used in precision engine building. They are typically used to measure deck…
deck bridge

How to Use a Deck Bridge

May 17, 2012
A deck bridge is a basic comparator tool that allows you to easily read dimensional differences between adjacent surfaces like the…