Jeff Smith

I have a weird thing happening with my small-block Chevy crate engine that has me scratching my head. The engine is a 290-horsepower Chevy crate engine with a set of […]

The designers of late model engines like the GM LS, Ford Modular engine, and the Chrysler Gen III Hemi have in many ways made it easy for performance enthusiasts. Not […]

I want to build the cheapest, least expensive small-block 350 Chevy that can make around 400 to 450 horsepower. How would I do that? I have a 350 Chevy truck […]

I recently stripped down my 350 small-block Chevy because of loss of compression over the last three years. In 5,000 miles and three different checks of the cranking compression, it […]

It’s a sign of the times when late model engines with distributorless ignition systems (DIS) no longer require the services of the ubiquitous timing light. But for the remainder of […]

I was at the local drag races last weekend and we watched an LS-powered Nova with twin turbochargers run. It was very quick. My friends and I began talking about […]

I’m building a street 540 big block Chevy with a mild hydraulic COMP Thumpr cam, rectangle-port heads, and 9.5:1 compression ratio that looks like a stock L88 to go in […]

I have an 1984 Corvette 350 that’s a real dog. What is the best way to get more out of it? I’d like to get 300 horsepower or more. — […]

I have a Chevy 350 Indmar boat engine with a 600 cfm Holley four-barrel carb. It has a marine electronic choke and vacuum secondaries. When opening the throttle, it will […]

I am building a ‘72 Caprice as a tribute patrol cruiser. I am pulling out the original 400 SBC and replacing it with a big-block 454 just so the look […]