News & Reviews / 188 posts found

Gen VI Chevy block

Top 10 Reasons to Build GEN VI Based Chevrolet Big Blocks

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Unless you require a specific block casting for a numbers matching restoration project, there is no longer any reason to seek, build or hoard original Mark IV engine blocks. Newer GEN VI blocks have become more available and Chevrolet Performance offers all new blocks providing all the improvements necessary for..
2000 HP Small BlocK

Speed Demon: 439 MPH Small Block Land Speed Record

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The Poteet and Main streamliner with George Poteet at the wheel and the world's most powerful small block Chevy driving the wheels set new FIA International speed records in Category A, Group 1, Class 10.
Meaux Racing Heads

PipeMax Creator Larry Meaux on Race Engine Head Porting

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Larry shares some great porting tips that you can apply to your own engine building projects. His years of experience have made him a valuable resource for engine builders seeking to optimize power and torque in racing engines. Now he's willing to share it all with you in this exclusive Hot Rod Engine Tech interview featuring a host of new...

Camshaft Basics

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Pushrod based engines use two basic types of camshaft; either flat tappet or roller tappet. It’s a little more complicated than that, but it basically comes down to the type of lifter. Up until the mid-eighties most production engines used flat tappet lifters with a crowned face that rides directly on the camshaft lobe...

Automotive Specialists’ Sealed Racing Engines

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Automotive Specialists, Inc. has developed a new Chevrolet sealed engine utilizing its 46 years of racing engine experience. Their experience building racing engines for the NASCAR Nationwide Series, Truck Series and other top level racing engines helped play an important part in this package. The engine package was carefully designed to ensure durability...
COMP Ultra Pro Magnum™ riocker arms

COMP Ultra Pro Magnum Stud Mount Rocker Arms

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With a nearly unbreakable investment cast 8650 chromemoly body, Ultra Pro Magnum™ Rocker Arms use an arched, web-like design to increase strength & rigidity while reducing the moment of inertia. These unique rockers feature hardened roller tips, an oversized trunion & precision-sorted needle bearings that easily stand up to the abuse of the high load valve springs needed to handle aggressive race applications.
Ross 409 Chevy Pistons

Ross Releases 409 Pistons

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Ross Pistons has released a new piston set for the CHEVY 409s using Edelbrock Performer RPM Cylinder Head in Street / Strip 10.5:1 Compression. Available in + .030 and .040 over, standard 3.500 stroke as well as 4.000 stroke cranks. ROSS 409 Chevrolet pistons are ideal for street/strip applications and are suitable for nitrous systems of 250 HP...
Summit Factory 5 Cobra Kits

Summit Factory 5 Cobra Engine Combo Kits

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The Summit Racing Equipment/Factory Five Racing Mk4 Roadster is alive and running strong—and now you can duplicate the project with the Summit Racing Factory Five Engine Kit Combos available at SummitRacing.com. The Summit Racing/Factory Five Mk4 Roadster is designed to show enthusiasts how easy it is to put together a killer replica car using a Factory Five kit and parts from Summit Racing’s...
Callies Serialized connecting rod bolt

Callies Introduces Serialized Connecting Rod Bolts

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Callies Performance Products in conjunction with ARP (Automotive Racing Products) has introduced the industries first series of serialized rod connecting rod bolts. With individual bolt serialization engine builders will now be able to record and accurately recall the free length and stretch dimensions of each fastener individually. Produced from Custom Age 625 material these bolts are...
Piston Speed

Calculating Piston Speed

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Mean piston speed has long been used as an indicator of component durability under severe service. It is a good rule of thumb for evaluating engine potential and it is even more instructive if you calculate maximum piston speed since one of the axioms of engine performance dictates that power comes from engine speed...

Porting Pointers

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The objective of porting a cylinder head is to improve engine performance via constructive enhancements to the intake and exhaust flow paths. Before you get to this point however, it's important to determine the rpm range of the desired power band and how you want to shape and position the torque curve...

Tuning Tips for Intake Manifold Deficiencies

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Various modifications and adjustments can be applied to intake manifolds to fine tune them for specific performance requirements. Today we wanted to share an inside Tech Tip with you taken from the new CarTech book, Competition Engine Building: Advanced Engine Design and Assembly Techniques...
Com Cams Engine Builder dual logo

2012 Comp Cams Engine Builder Dual

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For the first time in its five-year existence, the COMP Cams® Engine Builder Duel presented by Snap-On Tools came to St. Paul, MN, and the Car Craft Summer Nationals in 2012. The Engine Builder Duel pits a pair of two-person teams against each other to see who can fully assemble and run a Small Block Chevy in the shortest amount of time.
Engine Builder

Engine Builders

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Some engines have limited lifespan while others call for durability and the ability to endure extreme punishment over time. Within that broader context, all engines call for a targeted power band most suitable for the intended application. Some engines have limited lifespan while others call for durability and the ability to endure extreme punishment over time. Within that broader context, all...
Lunati BBC_assy

Lunati Big Block Chevy Rotating Assemblies

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Lunati’s Voodoo® Engine Kits deliver big-inch, affordably-priced engine components for the popular big-block Chevy 396-454 engine family and are available as rotating assembly kits to build powerful 565, 598 or 632 cubic inch big block Chevy engines that make big power without requiring high revs and the accompanying potential for valvetrain damage...
Holley High Ram

Holley Hi–Ram Intake for Cathedral Port LS1 LS6 and Rectangle Port LS7 GM Engines

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Holley's cast aluminum Modular Hi-Ram™ Intake System is now available for GM LS1/LS2/LS6 cathedral port engines and GM LS7 engines. The Hi-Ram modular intake was originally introduced for LS3/L92 rectangle port engines as a cost effective alternative to...

Offy Race Engine Posters

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Offy engine fans who have read the book Offy, America’s Greatest Racing Engine will no doubt enjoy Ken Walton’s informative series of collectible 12 x 18 inch posters detailing the specs and highlights of all the different production series Offy engines. There are five altogether and they include the Offy 200/220 Series, the 168/159 Forced Induction Series, the 252 Series, 255/270/318 Series and....

Free Download: Comp Cams 2012 New Products Brochure

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Comp Cams has made their 2012 new products brochure available to all interested parties. It's packed full of Comp's latest high performance products to help you build your engine or high performance car. This new product brief features a ton of new products for GM LS-Series engines and a full range of new and exciting products from all of the companies under COMP's...

Diamond’s New Flat Top and Dished Pistons for GM L92 / LS3 (Camaro)

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Diamond Pistons has announced two new pistons—flat tops and dished—for Chevy L92 / LS3 engines (Camaro). Suitable for use in virtually every segment of the aftermarket, including restoration, street-strip, pro-touring, and off-road, these these new 2618 conventional forgings are supplied with alloy steel 8620 piston pins and spiral locks as well as a standard ring package, comprising...
Jim Mcfarland

A Conversation with Jim McFarland

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When you want straight talk from an industry insider it's always best to ask someone who has been around a long time and is fully comfortable with voicing his opinions. That would be Jim McFarland, career engineer, long standing member of the SAE and a man with...

New “Low Restriction, Cooler Temperature” A/F Sensor Boss

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Performance Trends has developed a new style weld-able “boss” or “bung” for A/F sensors (wide band O2 sensors). This innovative new part is designed with small external cooling fins and extra depth to help keep he A/F sensor cooler (good for high temp turbo applications) and out of the flow (to provide lower restriction). The part number is...

CMC 1:18 scale Auto Union Type C, V-16-Engine, 1936/37

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CMC's Auto Union Type C engine replica in 1:18 scale is a stunning addition to any serious model engine collection. They are difficult to find, but they make a great addition to display next to CMC's Auto Union Type C model car or as a stand alone for your engine collection. The level of detail is spectacular, showing every spark plug wire, hose and lots of exquisite details.
Conley 609 Stinger engine

Conley 1:4 Scale Supercharged 609 Stinger Engine

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Gary Conley has made a thirty year career of designing and building high performance engines. The only difference is that Gary ‘s engines are quarter scale fully functional miniatures that run and make horsepower just like real engines. 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)...

Summit Racing 1:6 Scale Top Fuel Ford Cammer Racing Engine

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Here's another great 1:6 scale racing engine from the Summit Racing model engine collection. These are great looking engines from any angle especially in a display case backed by a mirror. They look good surrounded by your die-cast car collection or as stand alone accents on your desk. This historically correct model of one of drag racing’s most powerful racing engines is...

Summit Racing 1:6 Scale Top Fuel Hemi Racing Engine

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If you’re storing relics of lost horsepower on your book shelves, you might as well put some horsepower back in the equation with some seriously detailed model racing engines like this 1:6 scale Dodge 426 Top Fuel Hemi from Summit Racing. All of the racing components are replicated in perfect detail. From the monster supercharger and front blower drive system to the detailed dry...