Cylinder Block Cracks on 4.6L Cadillac Engines
A subject certainly worth knowing about are cylinder block cracks on the Cadillac 4.6L DOHC engine. You may never see one of these cracks unless you painstakingly look for it or it bites you on a warranty. However, it becomes obvious almost immediately if you need to resurface the block deck.
Diagnosing Murphy’s Law Under the Hood of a Ford F-150
Most of us working in the automotive service trades are very familiar with Murphy’s Law and how it affects our shop’s cost of doing business. Murphy’s Law says, “Everything that can go wrong usually will go wrong.” Gary Goms investigates a mysterious engine noise in a 1989 Ford F-150 pickup equipped with the venerable 5.0L or 302 cubic-inch V8 engine.
A 360° Look Into the GM 60° 3.1L Engine
Over the years, GM has saved a bundle on manufacturing the 3.1L engine by using the production line tooling it originally developed for the 2.8L V6. By simply changing the bore diameter, the displacement of the same engine block could now be increased for more power and torque.
Tech Tip: Cavitation – A Cooling System’s Worst Nightmare
One of the main concerns created by cavitation is the erosion of the metal on the outside surface of cylinder liners.
Tech Tip: Liquid Tools Tip
Each side of the engine block has four main bearing cap side bolts that hold the bearing caps to the side of the engine block. The bolt threads, however, aren’t sealed at the factory, so sometimes engine oil can seep past the threads and the bolt washer, causing a leak on either side of the block. Fortunately, it’s an easy fix, so there is no need to replace the short block.
Tech Feature: Straight Up Look at the Vortec 3500 Straight-Five Engine
The five-cylinder was seen as a way to achieve better fuel economy and performance than the six, but with more power and torque than the four.
Cylinder Head Sealing – Gasket Surface Machining Is The Most Critical Area of Cylinder Head Repair
Early this year, I had a chat with a technical representative for a major aftermarket gasket manufacturer who shed some light on some of the problems facing the cylinder head gasket market. According to this representative, the relatively short production life of modern engines also shortens the time that an aftermarket gasket company needs to
Directions: Performance Powered – Chevrolet Celebrates 100 Years
For its first 40 years, Chevrolet seemed content designing, building and installing four- and six-cylinder engines in its
Tech Spec: Tackling Old Timers – Salvaging Pre-War Era Engines
It’s often surprising to some people that parts for these cars are still available. For other engine specialists, it’s sometimes more surprising when they aren’t.
Tech Tip: Lifter Bank Angles of a Chrysler ‘A’ Block
The latest version of Chrysler’s “A” engine block features a different lifter bore angle. This block is commonly called the “R” block.
Tech Spec: Nailing Down the Misunderstood Buick Nailhead Engine
Like the Small Block Chevy, the Rocket 88 Olds, the Ford Flathead and the Chrysler Hemi, the Buick Nailhead engine is one of those that has the immortal smell of history all over it. Yet, unlike its more familiar brothers, cousins and even competitors, the Nailhead has an aura of mystery about it as well.
Tech Tip: Stuck Oil Pressure Relief Valve on 2001-’02 Chrysler 3.3L and 3.8L Engines
There have been reported incidents of stuck oil pressure relief valve assemblies in the chain case cover. With a stuck oil pressure relief valve, the oil pressure is not regulated as it is supposed to be, resulting in possible low oil pressure and engine damage due to oil starvation.