Tech Feature: Manifold Makeover – Increasing Engine Power
An intake manifold is more than the plumbing that connects the carburetor or throttle body to the ports in the cylinder head. It is an integral part of the induction system that has to match the airflow characteristics of the cylinder head and camshaft, as well as the displacement and rpm range of the engine. A well-designed manifold that is properly matched to the engine’s requirements will make more torque and horsepower than a manifold which is mismatched to the engine.
Tech Tip: Honda Engine Service Essentials
While engine-related complaints aren’t common on Honda’s line of vehicles, problems may still arise from time to time. Import Specialist Contributor Bob Dowie walks you through head gasket repair, from diagnosis to estimating the job to gasket replacement, and also discusses the intricacies of timing belt replacement ….
Tech Tip: Revised Cylinder Head Gasket and Head Bolts for 1983-92 Ford 2.3L OHC
Oil leaks and broken cylinder head bolts may occur if the head bolts are not properly tightened. The newest level of cylinder head gasket and cylinder head bolts are recommended any time cylinder head service is performed. The new cylinder head gasket and bolts require a different service procedure for all 1992 and earlier 2.3L engines. If cylinder head service is required, refer to the ….
Tech Feature: Engine Builders Have More Options Than Ever
The foundation of every engine is the cylinder block. Whether you are rebuilding a stock engine or building up a street performance engine, a circle track engine, drag engine, marine engine or whatever, you have to start with a good, solid block that’s machinable and free from cracks and other defects. That’s becoming more and more of a challenge in recent years because good cores for popular domestic engines are getting harder and ….
Tech Feature: Cylinder Head Air-Flow Options
When you’re building a performance engine, there are many, many variables you must take into consideration when determining which processes and components are appropriate. Which piston, which type of oil system, which power adders are needed – all of these questions must be answered before you get the results you want. One question you shouldn’t have to answer, however, is ….
Engine Tuning & Chassis Upgrades
When car manufacturers come out with a new engine design, some car enthusiasts eye the new technology from a perspective of how to squeeze more performance out of it. The smaller displacement engines that are turbocharged or supercharged tend to be the most likely chosen because of their power-to-weight ratio. When Saab introduced a turbocharged
Nissan: Head Gasket Replacement Procedures
With the reliability that late-model cars and especially their engines enjoy, we don’t find ourselves doing too much heavy engine work anymore. Many of us miss the feeling of accomplishment we’d get when completing an in-house engine rebuild. I know I always enjoyed the moment when the fresh engine would light right off and run
Hot Tips From Hot Rod Builders
Sometimes the best opportunities are cleverly hidden in plain view. As one example, when Chris Lafferty of Lafferty Engine Creations was asked why he opted to expand beyond race engines into the hot rod and muscle car arenas, he snorted, “Just look outside.” His North Carolina facility sits squarely in the middle of both NASCAR
BMW Engine Repairs
Though six-cylinder, inline engines are not as popular today as they were just 25 years ago, their sound and layout still translates well into high performance, durability and smoothness. The six-cylinder M50 series was originally used in 5 series cars in the early 1990s, and is now the basis for the 3 and 5 series
Volvo: Sometimes You Learn the Hard Way: Fixing Volvo Oil Leaks Right the First Time
The customer’s Volvo has an oil leak. You think you do everything right. You add dye and see the rear main oil seal leaking. The repair goes smoothly, the customer is happy…for about two weeks. Then the rear main oil seal is leaking again, and he wants to know why. This is not an isolated
Diagnostic Solutions: Cylinder Head Service, Restoring the Engine to Precise OE Tolerances
Although cylinder head repairs have been a staple of the import repair shop for many years, modern technology has changed the way we should sell and perform cylinder head services. In years past, for example, a cylinder head repair need last only 30,000 or 40,000 miles until the vehicle was retired from service. Today, however,
Diagnostic Solutions: Oil Filters… Are Working Harder Than Ever to Supply Clean Oil to Vital Engine Parts
Although oil filtration isn’t a new science, it’s important to remember that modern engine technology is placing new demands on oil filters. At the very least, modern engines require extremely clean oil for maximum reliability and longevity. But, more important, the use of synthetic lubricants and on-board monitored oil change intervals has allowed manufacturers to