Cooling Systems
850 HP HELLCAT KILLER!
"We're calling it The Hellcat Killer", says Mike Petralia, owner and chief engine builder at Hardcore…
JESEL Reintroduces Premium Stud Rocker Systems
Jesel has built its brand of valvetrain innovation with shaft rocker systems there are some race…
Tuff Stuff High Performance Alternator Install
This 1995 Corvette project car has been a superb test bed for manufacturers to prove the value…
ProForm Electric Ring Gap Filing Tool
Proform's electric ring filer is the ideal tool for both professionals and home engine builders.…
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…
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…
Understanding the Rod Length and Pin Height Connection
The relationship between connecting rod length, piston compression height and compression ratio…
Goldenrod Cockpit View Art Print
This 24 x 36-inch Art Quality print shows the cockpit view of the goldenrod on the International…
Goldenrod Limited Edition Numbered Blueprint Poster
This 24 x 36-inch Art Quality print of the Goldenrod and it's main blueprints is...
Beast Mode: 2000 HP LSX Based Arias Hemi
A 427 cubic inch turbocharged LSX based Bonneville engine with super trick Arias Hemi Heads pushing…
Hardcore Hemi Attacks the Engine Masters Challenge
The Adams and Smithberg team injected Hemi entry at the 2017 Engine Masters Challenge displayed…
Direct Injection Piston Damage? Check Your Oil
Low Speed Pre-Ignition or LSPI is a previously unrecognized combustion anomaly that leads to severe…
All New Merlin IV Big Block Chevy
World Products has completely redesigned the famed Merlin Big Block Chevy casting, incorporating…
Holley Releases 1050 CFM Gen 3 Marine Dominator Carbs
Holley/MSD is pleased to announce the release of Holley 1050 CFM Gen 3 Marine Dominator Carburetors,…
Blue Box Digital Manometer Revolutionizes Air Flow Testing
Upgrading to a precision digital manometer to streamline your air flow testing efficiency, is a…
Are Your Pistons Round?
A piston’s operating environment strongly influences its overall shape and that form becomes…
Factory 409 Fuel Injection: No Really!
In a bid to improve power and economy, GM engineering staff undertook extensive research on fuel…
1290 HP, 421ci Small Block Chevy Build
Sportsman racers have pretty much gone big league thanks to a broad performance market that offers…
Boosting a 482ci Ford SOHC Cammer
When exotic excess isn't quite enough to satisfy the power demons lurking within, artificial aspiration…
Mystery Motor Development Engineer Bill Howell Tells All
Our first story on Chevrolet’s legendary mystery motor generated a lot of new questions and a…
Chevrolet 427 Mystery Motor
Most of the testing and development was done with 409ci versions. Development engineers were able…
Understanding Engine Fastener Quality with ARP
To some its just nuts and bolts, but the science behind the parts plays a critical role in keeping…
Wiseco’s New Boostline Connecting Rods
Weisco's new extreme duty BoostLine connecting rods are designed for up to 2000 horsepower applications…
Aeromotive’s New EFI to Carb Regulator
Aeromotive’s New EFI to Carb Regulator (P/N 13220) allows any car or truck, originally equipped…
Burns Stainless Introduces Innovative Technology with Gill Sensors & Controls
Burns Stainless introduces new innovative sensor technology with Gill Sensor and Controls; currently…
All New Terminator Stealth EFI from Holley
Holley Performance Products is pleased to announce its all-new Terminator Stealth EFI, which provides…
Profiling JE Pistons for Maximum Performance
There's a lot that goes into piston design and one of the most important aspects is the skirt design.…
A 735hp 438ci Small-Block Ford Bullet
This 438ci 735 HP Ford drag racing engine represents Hardcore Horsepower's unconventional, but…
Digitizing Combustion Chambers to Increase Engine Power
Extracting maximum power from racing engines requires extraordinary attention to small details…
One-Piece Rear Main Seals for Big Block Chevys
Rear main seal leakage remains a problem on engines that still use 2-piece rear main seals. We…
Leo Villa’s Bluebird Album
David de Lara's extraordinary photographic documentary of Donald Campbell’s Bluebirds brilliantly…
Conley Stinger V8 Tour
The latest in a long line of Conley engines is the Stinger 609, so named because of its total displacement…
Reid Railton: Man of Speed
Engineering proficiency reveals itself in many forms, but rarely does it articulate itself so profoundly…
How to Build Racing Engines: Guide to Torque and Horsepower
Competition engines are designed and built to generate maximum torque and horsepower for their…
Koul Tools Braided Hose Assembly Kits
Koul Tools hose end assembly kits have been on the market for some time, but its amazing how many…
Earl’s New Vapor Guard Hose and Fittings
Earl's new Vapor Guard hose and hose ends provide a complete, economical solution that virtually…
Why Johnson Hydraulic Roller Lifters Belong in Your Engine
Johnson Lifters wants to be your valve lifter source. A primary supplier with top tier manufacturing…
Holley’s Billet Remote Oil Filter Mount
Holley Performance Products is pleased to announce all-new Billet Remote Oil Filter Mounts from…
1969 Z/28 Canted Valve 302
An in depth look at a one-off all aluminum canted valve, crossram inducted Chevrolet small block…
How to Build Racing Engines: Crankshaft Selection Guide
A high-end racing engine can produce a combustion pressure of about 1,400 to 1,500 psi. For example,…
How to Build Racing Engines: Cylinder Block Guide
Cylinder block selection is primarily application specific and may be limited by racing series…
How to Build Racing Engines: Startup and Maintenance
Initial engine startup and break-in procedures are vital to the success of every new racing engine.…
How To Build Racing Engines: Cylinder Heads
When selecting a cylinder head for a particular application it is important to closely match the…
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…
Racepak IQ3D Drag Logger Dash
Racepak has introduced its new IQ3D Drag Logger Dash. The IQ3D is designed for the sportsman drag…
How To Build Racing Engines: Choosing the Right Induction System
Intake manifold characteristics and dimensions exert considerable influence on engine performance…
Holley Pro Stock Electronic Fuel Injection Debuts at Winternationals
Anticipation finally crested as the NHRA Pro Stock entries began qualifying for the Circle K NHRA…
Understanding Dynamic Compression Ratio
Your engine actually has two compression ratios, static compression ratio and dynamic compression…
Smokin’ the Speed Demon
George Poteet's Speed Demon streamliner is the fastest piston powered car in the world with Duttweiler…
Holley Vintage Series SBC Valve Covers and Air Cleaners
Holley Performance Products new Vintage Series air cleaners and small block Chevrolet valve covers…
PerTronix New Contour Starters
PerTronix new Contour starters combine form and function with a fully enclosed solenoid protecting…
Turbocharged Y-Block for Bonneville
A turbocharged Ford Y-block in a GMC pickup truck seems a rather illogical choice for racing at…
Fabricating a Single Plane Hemi Intake
This is how hot rodders used to build the parts they needed back in the day. Its still happening…
Early Hemi Single Plane 4V Intake Test
Legendary racer and engine builder Gene Adams has been one of the most successful navigators of…
Dart Reveals New Billet LS Cylinder Head
Dart Machinery has revealed some details of its forthcoming all-new billet LS cylinder head which…
Why is the Speed Demon So Damned Fast?
Exclusive! What makes George Poteet's awesome Speed Demon streamliner consistently able to crack…