Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Gen III/IV LS Engine ID Guide

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

Learn about finding the correct beadlock rings, lug-nut taper, wheel spacers, mud covers, and valve stems. This components are critical for safety.

Racing Wheel Technology Guide - Components and Design

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

In this Tech Tip, a customer asked about finding a set of disc brakes for his 1949 Ford F1 pickup, with one caveat. He wants to use the factory wheels.

Disc Brakes with Factory Wheels on a Ford F1

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

GM Rally Wheels

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

Engines That Fit My Car: Dimensions for Common Engine Swaps

Preventative maintenance is crucial for hot rods. In this article, Jess shows you how to place a front wheel cylinder on an early Ford.

Replacing a Front Wheel Cylinder on an Early Ford

The dyno at the Speedway Motors Racing Engine shop is always humming. We set up a camera in the cell to catch a few of the engines that have passed through the door recently.

On the Dyno at Speedway Motors Racing Engines

Engine Family Facets

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Crankshaft Main Bearing Cap Hardware 1St Gen G Body

Popular Parts

1st Gen G-Body Engine Degree Wheels

1st Gen G-Body Engine Degree Wheels | Speedway Motors

Shop 1st Gen G-Body Engine Degree Wheels and get Free Shipping on orders over $199 at Speedway Motors.

1st Gen G-Body Engine Degree Wheels

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COMP Cams 4792 Piston Stop Tool, Top Dead Center, Heads On, 18mm

Mr Gasket 6120MRG Pro Degree Wheel, White, 11 Inch

Mr Gasket 1570 Cam Degree Wheel, Universal, 7 Inch

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