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

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

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.

Installing a Transmission Crossmember - 1967 Chevelle

When Tyson picked up his '69 SS396, all the trim was in the trunk. We follow along as he installs the shiny stuff to finish out his project.

Installing Exterior Trim on a 1969 Chevelle

Engine Family Facets

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1969 Buick Special 4L70E Transmission Connector Parts

1969 Buick Special 4L70E Transmission Connector Parts | Speedway Motors

Shop 1969 Buick Special 4L70E Transmission Connector Parts and get Free Shipping on orders over $175 at Speedway Motors.

1969 Buick Special 4L70E Transmission Connector Parts

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ICT Billet 551450-CHEV1 Transmission Plugs for GM Transmissions