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

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Testing 2 and 3 Wire Speed Sensors

Learn how to install a side detent shifter in a 1969 Chevy C10.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

Wiring of your race car or hot rod can be completed at home with these helpful automotive 12 V wiring tips.

How to Wire a Race Car | DIY Wiring Harness 101

Learn how to install and wire a digital tachometer. Speedway Motors covers the entire process with our installation of the Acewell 1100 Digital Tachometer.

Tachometer Wiring (Digital)

Learn how to set initial timing on the Chevy 350 SBC and the Ford 302. Our guide covers step by step instructions so you can set timing on your engine.

Ford 302 and Chevy 350 Timing Pointers - Step by Step Instructions

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

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

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

Speedway Chevy Engine to Chevy Transmission Steel Bellhousing

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

Engine Family Facets

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Chevy El Camino TH350 Muscle & Classic Car Speedometer Wiring and Senders

Chevy El Camino TH350 Muscle & Classic Car Speedometer Wiring and Senders | Speedway Motors

Shop Chevy El Camino TH350 Muscle & Classic Car Speedometer Wiring and Senders and get Free Shipping on orders over $199 at Speedway Motors.

Chevy El Camino TH350 Muscle & Classic Car Speedometer Wiring and Senders

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Classic Instruments SN74Z Speed Signal Module

Lokar SP-1502U108 U-Cut-to-Fit Ford Speedometer Cable Kit, 108 In