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

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Small Block and Big Block Chevy Engine Flexplate Guide

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Chevy Small Block Casting Numbers

Identify SBC heads using casting numbers, style tips, and year-by-year guides for your small block Chevy engine projects

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Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Transmission Replacement on a 55 Chevy

Engine Family Facets

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Manual Transmissions 77 84 Gm C Body Gm Chevy V8 Small Block 350

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77-84 GM C-Body Chevy 350 Automatic Transmissions

77-84 GM C-Body Chevy 350 Automatic Transmissions | Speedway Motors

Shop 77-84 GM C-Body Chevy 350 Automatic Transmissions and get Free Shipping on orders over $175 at Speedway Motors.

Buick/Olds/Pontiac TH350 Automatic Transmission, Up To 450 HP

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Finish

Yoke Style

Input Shaft Spline Count

Flexplate Included

Dipstick Included

SFI Rating

Fluid Fill Location

Number of Gears

Flexplate Shield Built In

Lockup Compatible

Trans-Brake Included

Transmission Case Material

Transmission Dust Cover Included

Transmission Pan Material

Transmission Pan Style

Valve Body Style

Torque Converter Included

First Gear Ratio

Transmission Fluid Included

Transmission Pan Finish

Tailshaft Length

Transmission Cooler Included

Transmission Advertised Horsepower Rating

Notes

MFG. Part #

Transmission Fluid Type

TH350, Three Number of Gears, 6" Tailshaft Length

Speedway Motors Chevy TH350 Automatic Transmission

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77-84 GM C-Body Chevy 350 Automatic Transmissions

Brand

Transmission Family

Availability

Platform

Engine Version

Price

Customer Rating

Products

Buick/Olds/Pontiac TH350 Automatic Transmission, Up To 450 HP

Speedway Motors Chevy TH350 Automatic Transmission

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