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 how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

Speedway Motors and Classic Trucks reached out to Performance Automatic for a 4L70E to help move the 1952 Chevy Week to Wicked build in honor of Speedway Motors' 65th anniversary.

Week to Wicked Product Feature: Performance Automatic 4L70E

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

Engine Family Facets

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G-Body 4L80E Transmissions

G-Body 4L80E Transmissions | Speedway Motors

Shop G-Body 4L80E Transmissions and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. G-Body 4L80E Transmissions in-stock with same-day shipping.

G-Body 4L80E Transmissions

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