News & Reviews / 174 posts found
All New Terminator Stealth EFI from Holley
Holley Performance Products is pleased to announce its all-new Terminator Stealth EFI, which provides the classic, traditional look of a carburetor with all the tunability and drivability of electronic fuel injection. Terminator EFI will support any engine with a...
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. Less drag created by the skirt in the bore equals more power. Take a look at how JE continues testing different skirt profiles for maximum power and performance..
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 a strong single four-barrel engine based on an all Windsor parts collection. The result is one bad ass...
Digitizing Combustion Chambers to Increase Engine Power
Extracting maximum power from racing engines requires extraordinary attention to small details that may be forgotten or easily overlooked. JE Pistons offers precision chamber digitizing so the piston designer can optimize the piston to...
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 all know the time honored method of offsetting the seal parting lines so they do not match the main cap to block interface...
Leo Villa’s Bluebird Album
David de Lara's extraordinary photographic documentary of Donald Campbell’s Bluebirds brilliantly captures the complicated essence of Donald Campbell the man and the magnificent record smashing machines that...
Conley Stinger V8 Tour
The latest in a long line of Conley engines is the Stinger 609, so named because of its total displacement of 6.90 cubic inches (about 100 cc). This engine is all new with no common parts from previous engines. It features a 1.00-inch bore with a...
Reid Railton: Man of Speed
Engineering proficiency reveals itself in many forms, but rarely does it articulate itself so profoundly that a lifetime of work achieves legendary status. Such is the case with Reid Railton, an engineer whose breadth of accomplishments left an indelible mark on land speed racing and...
How to Build Racing Engines: Guide to Torque and Horsepower
Competition engines are designed and built to generate maximum torque and horsepower for their size and intended operating environment. Torque is the heart of the matter. Defined as...
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 people still don't take advantage of them ...
Earl’s New Vapor Guard Hose and Fittings
Earl's new Vapor Guard hose and hose ends provide a complete, economical solution that virtually eliminates fuel permeation issues common with...
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 capabilities, the 90 year old company functions seamlessly within the high stress, low tolerance OEM environment where quality control inspections are mandatory and frequent. An essential part of Johnson Lifter’s quality control program is identifying and solving common lifter issues. In particular, hydraulic valve lifters have long suffered the notion that they are no good for performance use, but that is far from accurate. Johnson puts a check mark on that fallacy and points to the success of Chevrolet’s ultra high performance COPO […]
Holley’s Billet Remote Oil Filter Mount
Holley Performance Products is pleased to announce all-new Billet Remote Oil Filter Mounts from Earl's. These remote mounts make it a snap to relocate your oil filter to any easy-to-reach location under the hood. Constructed of billet 6061-T6 aluminum and anodized black, they feature dual -10 AN O-ring port inlet and outlets – two on each side – for endless routing options. One of the extra ports can be used to attach a mechanical oil temperature gauge using Earl's adapter part # 981470ERL.
1969 Z/28 Canted Valve 302
An in depth look at a one-off all aluminum canted valve, crossram inducted Chevrolet small block evaluated for the '69 Z/28. A glimpse of something so unique and bad ass for its day...
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, if you apply that pressure to a 4.185-inch-diameter...
How to Build Racing Engines: Cylinder Block Guide
Cylinder block selection is primarily application specific and may be limited by racing series rules. Requirements of your specific application may influence your choices based on block material, bore spacing, main cap material and configuration, cam location, and machinability. Selection might be limited to a two-bolt main stock production block or...
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. Countless hours of preparation and a substantial amount of money have been invested to build the best possible engine. It is exciting to here a new engine run, but now is not the time to get in a rush. Many things can go wrong at this point...
How To Build Racing Engines: Cylinder Heads
When selecting a cylinder head for a particular application it is important to closely match the desired RPM range based on port dimensions that include port length, cross section, and mid- and high-range flow rates...
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 Dart Big Chief Pro 1 aluminum cylinder heads. Following the step-by-step procedures is designed to simplify the mating of all the important components in the engine...
Racepak IQ3D Drag Logger Dash
Racepak has introduced its new IQ3D Drag Logger Dash. The IQ3D is designed for the sportsman drag racer looking for a compact, all-in-one solution for data logging and instrumentation. It eliminates the need for an external data logger, and features ...
How To Build Racing Engines: Choosing the Right Induction System
Intake manifold characteristics and dimensions exert considerable influence on engine performance with respect to power band shape and positioning on the RPM scale. Race applications deal with three basic manifold types: dual-plane intakes, single-plane intakes, and tunnel ram intakes...
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 Winternationals on February 12th. Day one was a success as a full field of 16 cars showed up to qualify. All but one car made successful qualifying runs and indications point to some close racing...
Understanding Dynamic Compression Ratio
Your engine actually has two compression ratios, static compression ratio and dynamic compression ratio.
Smokin’ the Speed Demon
George Poteet's Speed Demon streamliner is the fastest piston powered car in the world with Duttweiler horsepower and here's a look at the new wind tunnel test designed to find the perfect ride height and aerodynamic balance for record setting...