Tech Articles

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Tech Articles

Mailbag: How to Fix an Oil-Burning 1989 GMC 1500 4×4 Pickup

Q: The culprit is a 1989 GMC 1500 4×4 with a 350, automatic with overdrive, a 3.42 axle, and over 150,000 miles. It has recently developed a powerful thirst for […]

This is a comparison of a cold heat range plug (left) versus a much hotter heat range plug (right). Notice how the distance between the ceramic and the spark plug shell on the hotter plug requires heat to travel a farther distance, which maintains more heat in the spark plug. A hotter heat range plug is preferable for engines that only see light duty applications as in mild street driving. (Image/Autolite)
Tech Articles

Ask Away! with Jeff Smith: Determining Correct Spark Plug Heat Range

How do I tell the correct heat range spark plug for an engine? – Mark S. Jeff Smith: Simple questions sometimes require a bit longer answers. This is one of those […]

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Product Profiles / Tech Articles

What is a Transmission Jack & How to Choose the Right One for Your Ride

A transmission jack is a must-have tool if you’re removing or installing a transmission. Now, while a lot of gearheads have made-do with improvised solutions for hoisting/moving a transmission, the […]

Since fitting an air intake tube and MAF sensor in a retorfitted engine bay is often difficult, many aftermarket EFI conversion kits rely on Speed Density systems. (Image/FiTech)
Tech Articles

EFI 101: Mass Air vs. Speed Density — What They Are & Which is Best for Your Ride

If you’re researching electronic fuel injection (EFI) systems, you’ve probably come across the terms speed density and mass air flow (MAF). These are the two most prevalent types of fuel […]

This photo shows the reluctor wheel installed onto the crank, with the installer tool removed. (Image/Mike Mavrigian)
Tech Articles

Installation and Removal Tips for LS Engine 24x or 58x Reluctor Wheels

Any builder familiar with late model engines knows that an engine’s computer control system monitors both camshaft and crankshaft position in order to achieve correct spark and fuel delivery. Many […]

Video: Measuring Power & Torque Gains From a Cam Swap in a 5.0L Ford
Tech Articles / Tech Projects / Videos & Galleries

Video: Measuring Power & Torque Gains From a Cam Swap in a 5.0L Ford

In today’s video, engine builder Richard Holdener is going to show you the dyno results of a previously modified 5.0L Ford engine before and after a cam swap (and unplanned […]

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Tech Articles

Ford Windsor and Modular Engine External Dimensions

Want to swap a Modular or Windsor Ford engine under your hood, but aren’t sure it will fit? Well, the folks at Ford Performance are here to help you out. […]

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Tech Articles

Piston Ring Parlance: A Glossary of Piston Ring Terms

Piston rings have a dictionary all to themselves, and it’s important to be familiar with the terms before you begin an engine build. The piston pros at Wiseco put together this […]

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Tech Articles

Ford Engine Bore and Stroke Guide

The Ford engine family tree has a lot of branches. You’ve got the venerable Windsor small block, plus the 385-series and FE-series big block branches, along with a trio of 351 […]

Getting this old ‘bird back on the road will be a free-for-all cage match with willpower, rust, and a venomous spider all vying to claim ownership of this first-gen F-body. (Image/Steve Baur)
Tech Articles

Pontiac Prizefight: Restoring a 1969 Firebird (Part 1)

If you’re into cars, then there’s a good chance that at some point you have wanted a muscle car. Unfortunately, the days of picking up a popular model on the […]