tuning tips

Mailbag: Tuning Tips for a Modified Chevy 350

Q: I have a 1973 Nova with a GM 350 crate engine. The engine has Trick Flow 23° cylinder heads, a Lunati cam, Edelbrock Performer intake, an Edelbrock Performer 600 cfm carb, and an MSD HEI distributor. The car also has a Turbo 350 transmission with a 2,500 stall lockup converter, Richmond 3.73 gears in

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Mailbag: Tuning for More Off-Idle Power

Q: I own a 1966 Pontiac Lemans with a 1970 400-cubic-inch engine, a two-speed automatic, and an open rear axle. I recently rebuilt the engine to stock specs, adding a Crane cam (290-degree advertised duration, .454-inch lift), an Edelbrock Performer intake, and a 600 cfm Holley. When I punch the gas pedal from a standing

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