Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Upgrading a 700R4 Transmission - 1967 Chevelle

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

In this Tech Tip, a returning customer asks for advice on wiring harnesses for his ’29 Ford roadster project.

Wiring Harnesses for a 1929 Ford

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

LS Swap How-To Guide

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

SBC vs LS Showdown | Dimensions for Swaps, Weight, HP, Specs

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

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

5.3 LS Build Combinations: Recipes for 400-700+ HP

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

6.0 LS Build Combinations: Recipes for 500-1,000 HP

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Universal Wiring Harness Instructions - Installation

Tim talks about the process of upgrading the factory hubs on his 1929 Roadster project with new manufacture units courtesy of Speedway Motors.

New Hubs for a Traditional-Style Hot Rod

Engine Family Facets

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700R4 Hot Rod Transmission Wiring Harnesses

700R4 Hot Rod Transmission Wiring Harnesses | Speedway Motors

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700R4 Hot Rod Transmission Wiring Harnesses

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Painless Wiring 60109 700R4 Transmission Torque Converter Lock-Up Kit

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