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

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

Chris Ryan's 1978 Pontiac Trans Am

Follow Tim as he swaps tail housings and covers on a T-5 transmission

Speedway Tech Talk - Swapping Tail Housings and Covers on a T-5 Transmission 

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

Learn why Drag and Drive is one of the fastest growing drag racing events in the country!

Drag-and-Drive Events: America’s Fastest Street-Legal Cars

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

Learn the importance of maintaining the right pressure in your tires for longer wear, enhanced handling and to get better fuel economy.

Tire Pressure in Your Street Vehicle

Speedway Motors was selected by Arrow Electronics to prepare Sam Schmidt’s vehicles for Optima’s Ultimate Street Car Challenge where he will race for the first time since becoming a quadriplegic in 2000.

Team Speedway Prepares Arrow SAM Car for Optima’s Ultimate Street Car Challenge 

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

There's something special about your first car. Here are a few from the Speedway Motors team.

Our First Cars

Engine Family Facets

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Oldsmobile Street Auto Trans Valve Bodies

Oldsmobile Street Auto Trans Control Units

Oldsmobile Street Auto Trans Input Shafts

Oldsmobile Street Auto Trans Vacuum Modulators

Oldsmobile Street Torque Converter Hardware

Oldsmobile Street Auto Trans Overhaul Kits

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Oldsmobile Street Auto Trans Cases

Oldsmobile Street Auto Trans Cases | Speedway Motors

Shop Oldsmobile Street Auto Trans Cases and get Free Shipping on orders over $175 at Speedway Motors.

Oldsmobile Street Auto Trans Cases

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TCI 210002 TH400 Reid Transmission Case

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