Diagram showing a three-speed gearbox. First, Second and Reverse gears are 'crash' engagement, while third is direct drive. The constant-m.
Oil pans are also a big issue with LS engine swaps. Here we have three different pans. On the far right is the stock truck pan with a sump depth of 8 ¼ inches. The middle pan is the original LS1 F-car pan that shares a depth with the Holley cast pan on the left – both measure 5 ½-inches. Chevrolet Performance does offer a muscle car pan