How to replace sway bars in a Mercury Comet and the advantages that come with it.

Replacing Sway Bars in a Mercury Comet

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

Learn about 'Speedy' Bill's passion for pedal cars and how that has been passed down through generations in the Smith family. Jess also explains the step by step process to assemble Speedway's Murray Comet style pedal car.

Murray Comet Pedal Car Assembly

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

Follow along as Product Guru Jeff K. talks about customizing a Comet Pedal Car for his son!

Comet Pedal Car Custom

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

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit.  Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Installing a Speedway Motors 22 Circuit Wiring Kit

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.

Replacing Fuel Sending Unit

Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.

Speedway Tech Talk - Attach Stock Fuel Sender to any Gauge

Engine Family Facets

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Mercury Comet 700R4 Muscle & Classic Car Speedometer Wiring and Senders

Mercury Comet 700R4 Muscle & Classic Car Speedometer Wiring and Senders | Speedway Motors

Shop Mercury Comet 700R4 Muscle & Classic Car Speedometer Wiring and Senders and get Free Shipping on orders over $175 at Speedway Motors.

Mercury Comet 700R4 Muscle & Classic Car Speedometer Wiring and Senders

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Classic Instruments SN74Z Speed Signal Interface Module