Engine Sealing: High Performance Head Gaskets
One thing no engine builder wants to worry about is a head gasket failure, whether it is a NASCAR cup engine, a Pro Stock drag racing engine, a dirt track engine, a hot street engine or even a stock engine. Stock head gaskets hold up well enough under normal loads. But as compression ratios and
Final Wrap: Crystal Balls, Darts And Other Ways Not To Set Rates
I never jumped off a bridge when I was a kid. None of my friends did, either, come to think of it, but that never stopped my dear mother from cautioning me against it. I’m sure your mother said basically the same thing. No matter what you wanted to do because someone else told you
High Performance Rocker Arms, Valve Springs, Retainers and Locks
On a small block Chevy, altering the rocker arm geometry without changing the rocker arm lift ratio can add 15 to 20 horsepower at the rear wheels. The stock lift ratio for a small block (SB) Chevy V8 rocker arm is 1.5:1, and for a big block (BB) Chevy V8, the ratio is 1.7:1. Bolt-on
PERA President Mark Fellanto
On the surface, you might suppose that Mark Fellanto, incoming president of the Production Engine Remanufacturers Association (PERA) is a pretty simple fellow. You can set your watch by his daily routine. Even he admits that if someone was looking to do him in, he wouldn’t be hard to track down. Fellanto rarely veers from
Crack Detection
Take a look in the mirror. Smiling back at you, you’ll notice that row of pearly whites. They probably look pretty good. Maybe a bit stained from coffee or smoking, but overall, they seem to be pretty solid, right? If you’re like many people, the fear sets in as soon as you sit down in
Performance Notes: Stud Vs. Shaft Rockers: Why You Should Make the Switch
When the Chevrolet small-block V8 was introduced in 1955, one of its most highly touted features was its lightweight, high-revving ball and stud stamped steel rocker design. Around 1962, several of my buddies proved that claim to be true, time and again, when they twisted their Duntov-cammed 283s to 7,200 rpm. In fact, this same
Drag Racing Engines
From the early days of drag racing up until the recent past, racers built everything for their cars themselves, from the engines and chassis to the shop equipment. Most racing teams pulled their racecars to the track behind the family station wagon or pickup truck. The personalities who participated in the sport were as colorful
Performance Drag Racing Heads
A quarter-mile strip of asphalt is not a great distance. But drag racing isn’t about distance. It’s about time. The car that reaches the finish line first wins the race. But the car that wins isn’t always the fastest car or the quickest car. It’s usually the car that runs with the most consistent elapsed
Grow Your Shop By Getting Away From It
He appreciates the fact his employees feel the same way and, frankly, he feels this industry would be a whole lot better off if more shop owners followed his lead. Okay, so the guy is obviously crazy or from out of this world, right? Take time off from the shop when it’s a struggle to
Vizard’s View: Avoiding Flat Tappet Cam And Lifter Failure
There is nothing worse than building a cost effective engine for a customer, shipping it, and then having it come back a short while later with the installed flat tappet cam wiped out. Even if the cam and valve train was warranted by the cam manufacture, you, as the engine builder, will bear the brunt
Custom Rod and Bike Market Reality:Is There a Place in for Custom Engines?
Have you ever dreamed of starring In your own reality television show? Is the human drama and bickering in your shop great enough to hold America’s attention week after week? Well, you may not impress the Nielsen families, but you could guest star as a custom rod or bike engine builder in your own local
Racing Oils Can Offer Extra Power & Protection For Your Performance Engine
Building high performance engines doesn’t come cheap. The components you use cost more, the time you take to build each motor is longer, and paying attention to detail is the name of the game. High performance engines have a very small margin for error when it comes to tolerances and extreme loads, therefore the demand
Pistons and Pins: What’s New
Asking piston manufacturers “what’s new” reveals a number of trends that are reshaping the piston business today. One is that there’s no longer a time lag of three or four years for aftermarket piston suppliers to tool up for the latest piston applications. Production engine remanufacturers (PERs) and custom engine rebuilders (CERs) are asking for
Pushrods & Lifters
Pushrod engines have been dubbed as antiquated technology by some, but for many engine builders these engines are far from suffering the fate of the horse and buggy. In fact, with both GM and Chrysler keeping the pushrod engine alive in their current product lineups with the Gen IV, Hemi and others, pushrods and lifters
The Enthusiast’s Motor Market
Street Rods, customs, muscle cars; even their names are different. When it comes to cars – and we’re including light trucks – from the early 1900s on up into the ’70s, it’s not enough to just call them old cars. How cars from this time span are rebuilt can often make them their own separate
Performance Notes, How To Compete With The Crate Motor Business
If you are a regular reader of the performance automotive consumer magazines you may have spotted a trend – many of the feature cars and tech articles are focused on crate motors. To an engine builder specializing in custom high performance engines, and for engine builders looking to get into the performance arena, this could
Head and Block Resurfacing
Resurfacing cylinder heads and engine blocks is an essential aspect of engine building today, whether the work is being done by a production engine rebuilder, a high performance specialist or small custom shop. Bimetal engines, multi-layer steel (MLS) head gaskets and tighter assembly tolerances make accurate surfacing more critical than ever before. The key to
Tuning in to the Sport Compact Market
While the American muscle car segment is getting a shot in the arm with the Mustang, Charger, GTO and others, the sport compact market is not going away any time soon. Much has been said about the possible demise of this once fast-growing market but according to some manufacturers there is still plenty of business
Machine Maintenance: Get Your Head Together – And Apart!
The C-frame style of valve spring compressor has become the preferred tool for disassembly and re-assembly of the standard applications like Chevy and Ford. These compressors work with air and a special jaw presses on the retainer, allowing you to remove the keepers quickly and safely. There are also manual versions of the C-frame compressor
Performance Notes, Inspiration Leads To Innovation For Resurfacing Tool
All too often we start with a good rebuildable engine core only to find the camshaft thrust surface has taken a beating at some time in its previous life. This is not a new problem for engine builders. Machinists have come up with a number of solutions to these problems throughout the years. Some of