Monday mailbag

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: Troubleshooting 440 Engine Detonation at High Altitudes

Q: I own a 1983 Dodge Ramcharger with a 1970 440 engine. The engine is bored .040 inch over, has a forged crank, flat top pistons, and ‘452’ cast heads—the original ‘906’ cast heads were eaten up by unleaded fuel. It also has a Weiand Action Plus intake, a Holley 750 vacuum secondary carb, a

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Mailbag: LT1 Corvette Intake Upgrade for a GM L83 LT Engine

Q: I have a Gen. Five, LT-series 5.3L L83 engine that’s going into my 1975 Chevy Monza. The factory intake manifold is too tall to clear the stock hood, so I need a lower-profile intake. Can I use the intake from a newer Corvette LT1? *** A: Yes, the LT1 intake will bolt up to your

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Mailbag: What Lifters Should I Use For My 360 Dodge Magnum Cam Swap?

Q: I’m building a 360 Dodge Magnum engine, and want to install a performance hydraulic roller camshaft. I can’t find the replacement OEM lifter alignment bars that the stock roller lifters require. Is there another lifter option for this engine? A: Yes! You can use Howards Cams retrofit hydraulic roller lifters. They work in both LA

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Mailbag: Rejuvenating an Old 454 Big Block Chevy

Q: I have a 1973 454 big block Chevy. It has a 8.5:1 compression, stock oval port cylinder heads, a Crane PowerMax camshaft, and Edelbrock Performer intake, and a Holley 750 cfm carburetor. The engine needs an overhaul but I would like to retain the stock cylinder heads and intake. What would I need to

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Mailbag: Curing Unwanted Vibration in a 5.0L-Powered ’66 F-100 Pickup

Q: Help! I have a 1966 Ford F-100 pickup with a transplanted 5.0L from a 1991 Mustang and the following mods: Ford Performance cam (220° duration/.498″ lift), Airflow Research CNC-ported 185 cylinder heads, Edelbrock Performer intake manifold, Holley 600 cfm carb, B&M flexplate with a 50 oz. balance, TCI C-4 Street Fighter transmission, and a TCI

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