Cylinder Heads Archives - Page 7 of 8 - Import Car
Tech Feature: Servicing Ford’s 3.0L Engine

The 3.0L Duratec V6 was introduced in 1996 to replace the aging 3.8L V6 in the Ford Taurus and Mercury Sable. Unlike its conventional pushrod predecessor, the 3.0L V6 has dual overhead cams, four valves per cylinder and an aluminum block with cast-iron cylinder liners.

Journeying into the Restoration Market

We’ve all heard the stories and urban legends about old classic cars being found in someone’s garage or estate. Typically, the story goes, the owner just passed away and his widow had no idea what was in the barn. Sounds too good to be true, but it happens. One such story that recently grabbed headlines earlier this year was that of an old doctor who died at the tender age of 92, leaving behind his beloved but forgotten 1937 Bugatti Type 57S hidden in his garage since he parked it there in the early 1960s.

Tech Feature: Cooler ‘Heads’ Prevail – Pouring Over GM’s LT1 Engine and Reverse-Flow Technology

The LT1 engine was used in a variety of General Motors models, including 1992-’96 Corvette (Y-body), 1993-’97 Camaro and Firebird (F-body), and 1994-’96 Chevy Caprice and Impala (B-body), Buick Roadmaster and Cadillac Fleetwood (D-body).

Tech Tip: Use Caution when Replacing Ford Diesel Cylinder Heads

According to Ford’s TSB 06-24-4, some 2003-’07 vehicles equipped with a 6.0L engine may require the cylinder head to be replaced, while design changes can affect interchangeability between model years and service of 2003-’07 6.0L engines.

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