Q&A

Q&A

Ask Away! with Jeff Smith: Cost-Effective Ways to Increase Low-End Torque

I’ve been reading you for years at various magazines like PHR, Hot Rod, and Car Craft. I’ve been curious about the lower end of the torque curve. Looking at various […]

Q&A

Mailbag: Tips for Lifter Replacement in a Ford 460

Q: I have a 1978 Ford E-250 van. The engine is a 460 that’s bored .030″ over, has a 214°/224° @ .050″ flat tappet cam, an Edelbrock 750 cfm carb, […]

1975 Buick Skylark
Q&A

Mailbag: Getting a 1975 Buick Skylark to Fly

Q: We have a 1975 Buick Skylark. Under the hood is a 350 bored over .030, with a 750 cfm Holley carb, Edelbrock Performer RPM intake, Federal-Mogul pistons, a 284°/284° […]

Q&A

Ask Away! with Jeff Smith: Tips for Maxxing MPG with Fuel Mixing

I have a 2012 F-250 Ford built to use flex fuel. What is the best way to maximize miles per gallon? Is there any advantage to running 1/2 tank of 93 […]

Q&A

Mailbag: Tips for Supercharging a 454 Engine

Q: My Pro Street 1967 Chevy El Camino is powered by a 454, bored .030″ over. The engine has a Holley 750 cfm carb, an Edelbrock RPM Air Gap intake, […]

Q&A

Ask Away! with Jeff Smith: Cam Swap Tech for 5.3L LS/Vortec Engines

I’ve seen in a 4.8L LS engine story where you used a COMP short duration hydraulic roller cam and the engine made really good power. That cam, if I recall […]

Q&A

Mailbag: Basic Advice for Swapping an LS1 into a ’75 Corvette Stingray

Q: I want to put a fuel injected LS1 engine into my 1975 Corvette Stingray. The car has a 4-speed transmission, air conditioning, power brakes, and power steering. Can you […]

Q&A

Ask Away! with Jeff Smith: Curing Engine Stumble in a Big Block Chevy 454

I just bought a big-block Chevy pickup from my neighbor who has had the truck for years. He’s been tinkering with it but has finally decided it’s smarter than he […]

Q&A

Mailbag: Finding More Power for Already-Upgraded ’95 GMC Sierra

Q. My daily driver is a 1995 GMC Sierra C1500. It has a 350 TBI engine matted to a 4L60E transmission with a TCI Sizzler torque converter, a 10-bolt 8.5-inch […]

Q&A

Mailbag: Engine Swap, Transmission & Rear End Recommendations for ’89 Ford Ranger

Q: I own a 2WD 1989 Ford Ranger. It has the 2.3L 4-cylinder engine with the headache-prone dual spark plug cylinder head. I’m thinking of switching from the four-popper to […]