Summit Racing has published a handy list of common dimensions for the most popular engines selected for engine swapping. Engine swaps always go better when you measure everything in advance and plan accordingly. If you already have an open engine bay, you can compare its dimensions to the accompanying chart to get an initial feel for how well your choice of engine will fit.

Summit techs caution that these specs will give you the overall height, length and width of a fully dressed engine (oil pan, intake and carburetor, front accessory drives, exhaust), but they are general dimensions that can vary
depending on what equipment you or
the factory have installed.

They stress the following caveats:

• Check measurements with all engine accessories installed to prevent surprises like bolting in an engine and finding you have a half-inch of radiator clearance.
• Choose the engine mounting method (rubber mounts, solid mounts, motor plate, etc.) before installation. The mounts you use can affect clearances, especially height.
• Double-check—make that triple-check—hood clearance, firewall clearance, and fan-to-radiator clearance.
• Ensure that the driveline angle is correct. You may have to adjust engine location in the car to get the proper angle.

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Consult the following chart to get you project underway and then shop Summit Racing to find the best deals on parts.

 Thanks to Summit Racing for this informative chart.