700R4, Carburetion

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

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.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Learn how to convert an engine using a Carbureted LS Conversion Kit, along with tips for a smooth install. Read more on the manifold and timing control module, which comes with an MSD ignition control box and wiring harness.

Learn how to calculate your CFM with a formula to determine what the best carburetor size is for you. We also cover vacuum and mechanical secondaries.

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

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

A real-world guide to 4L60 transmission specs, strength, and swap tips.

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.