1987 GMC G2500 Alternators, Generators, and Charging

If you're considering upgrading your classic car's charging system with an generator to alternator conversion, here are some helpful tips.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

There's a right and wrong way to run a two-barrel carburetor on your vintage engine. Check out this guide about how to select the correct carburetor for your Flathead or vintage engine.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

To keep this project moving forward, Jeff installs a gear reduction mini starter on his big block. See how to apply the mini starter on 153 or 168 tooth flexplates.