Cylinder Heads Archives - Page 2 of 8 - Import Car
Cylinder Boring Tips

Lightweight block castings have become very prevalent in our market. Since the overall mass has been reduced, the controlled stresses have become an important factor in the block’s integrity. To ensure integrity, we must recreate that stress by using a Torque Plate when boring and honing.

‘Exploring’ Service Needs On The Ford 4.0L V6 Engine

Rated at a rather anemic 210 horsepower, the 4.0L SOHC V6 is not exactly a high output engine. It also has an unusual overhead cam drive setup. Unlike most other OHC V6 and V8 engines that drive both overhead cams directly from the crankshaft with a belt or chain, this engine has an intermediate jackshaft in the middle of the block where a pushrod cam would normally be located.

Damage Control: Spark Plug Removal Techniques On Ford Modular Engines

The problem of removing spark plugs from various Ford Modular engines lies with excessive carbon buildup on the plugs, especially on engines that have gone beyond an OEM-recommended replacement interval. This can cause a plug to break in the chamber during its removal, creating stress on the tech and additional labor time to remove the damaged component.

2014 Corvette LT1: The Engine Under the Hood

The art and science behind its combustion system makes the Corvette LT1 one of the most advanced V8 engines in the world.

Diagnostic Dilemmas: Multiple Failure Diagnostics On High Mileage Engines

Gary Goms explains that in tough economic times, a driver has no way of knowing how many maintenance-based and component-based failures will accumulate before he or she can afford to have a technician investigate the problem once a Check Engine light comes on.

Phaser-Style Variable Valve Timing System Controls And Operation

Phasers commonly can be found on just the exhaust cam or on both the intake and exhaust cams.

Memory Lane: Nuts, Bolts And Screws – Finishing A Chevy Restoration Project

Gary Goms discusses the mechanical challenges of restoring a truck that he began maintaining when he went to work in a gas station – back in 1957!

Tech Tip: Importance of Valve Seat Concentricity in Engine Building

When it comes to gas engine remanufacturing, the subject of valve seat concentricity is a very serious one. Concentricity, as we are discussing here, is the relation between the centers of the valve guides and the centers of the valve seat surfaces.

Timing Belt Replacement on Jeep’s 2.4L PowerTech Engine

In its short life, the engine was available in the 2002-’06 Jeep Liberty (first generation), as well as the 2004-’06 Jeep Wrangler, but was discontinued when Jeep introduced the Compass and Patriot small crossovers.

Tech Talk: Career Building — Developing Engine Building Experiences in School

Though many high school automotive programs have been cut or reduced in recent years due to funding, community colleges and technical schools are seeing steady enrollment in their automotive programs.

Subaru Outback Head Gasket Repair

The Subaru is a 2002 Outback with 109,982 miles. It has excessive oil leaks from the driver’s side head gasket and some from the passenger’s side. The vehicle had been repaired under warranty by the dealer at about 65,000 miles, and most likely the repairs were done without taking the engine out with probably only one head gasket being replaced. To complete the repair, follow the steps outlined in this article.

Book Report: Tips for Ford Power Stroke Service and Rebuilds

The book covers the vast majority of Power Stroke diesel engines on the road, and gives you the full story on their design.