compression test

Mailbag: Tracking Down Common Causes of Sluggish Engine Response

Q: I recently rebuilt a Mustang 5.0L engine. I had it bored from .03o-inch over and installed a Ford Performance Parts E303 camshaft, Melling high-volume oil pump, Edelbrock intake, Holley 600 cfm carburetor, and a complete MSD Ignition system. The heads have 2.02-inch/1.60-inch valves, the headers are one-and-5/8-inch shorties, and the fuel pump is a Carter electric

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