Q&A

Mailbag: How to Install a Standpipe on an AN Fitting

Q: I have a Ford 428 engine and I’m installing AN fittings on the heater hoses. The fitting that goes to the intake manifold requires a standpipe. How can I install a standpipe on an AN fitting? A: Normally you’d have to piece together several fittings to get the results you’re looking for. However, JOES

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Mailbag: How to Cure Spark Plug Fouling During Idle

Q: I own a 1971 Dodge Demon with a 400. The 10.5:1 compression engine has a forged crank and “LY” rods, and has a balanced bottom end. The heads are 906 castings port matched to a Weiand Team G intake and 2.5-inch headers. The heads have also had port work done. The cam is a Mopar Performance

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Mailbag: Checking Hydraulic Lifter Preload with Non-Adjustable Rockers

Q: We have a 1974 Ford F-100 pickup we use as a tow vehicle. It has a 360-cubic-inch two-barrel engine running Crane stock replacement cam and “anti-pump-up” hydraulic lifters. The heads are fitted with TRW valves and springs that are close to OEM in the lift and spring pressure department. The rockers are stock ratio and

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Mailbag: Top 3 Ways to Cure a Pre-Ignition Condition

Q: I have a Ford truck with a 390 engine. I had the heads redone and installed a new cam and lifter set, true roller timing chain, valve springs, single plane Edelbrock intake, adjustable rocker arms, and headers. I use the truck to haul my 11 ½-foot camper. When I reach highway speeds and keep the rpms

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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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