The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Benefits of Electronic Ignition System Upgrades

There is no shortage of awesome cars and engines at the 50th NSRA Street Rod Nationals. Check out some of our favorites so far!

Eye Catching Cars and Engines  - NSRA Street Rod Nationals 2019

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

Loud when you want it, quiet when you don't! Learn how exhaust cutouts work, manual vs electric models, and which is best for your build.

Ultimate Guide to Exhaust Cutouts | Manual Cutouts VS Electric

Project Chevelle undergoes front suspension upgrades to minimize feeling every dip and bump in the road. Josh S. walks through the install and quick overview of the tubular control arms and G comp spindles.

Project Chevelle: Spindles and Control Arms Tech Article

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Quick Change Gear Chart | RPM Gear Ratio Formula for 10-Spline

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

Installing Torsion Bars in Street Rods

Read how to wire a lightning sprint engine. This detailed account of how to successfully wire an engine will ensure a smooth installation.

How to Wire a Lightning Sprint Engine

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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Street Engine RPM Control Relays

Street Engine RPM Control Relays | Speedway Motors

Shop Street Engine RPM Control Relays and get Free Shipping on orders over $175 at Speedway Motors.

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MSD 8969 Digital RPM Window Switch

AutoMeter 5356 Pro RPM Shift Light Pill Kit 6000 RPM Range

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