I am going to build a Chevy 292 inline 6 next year. I was wondering if a 10:1 compression ratio would be too high for 87 octane? Could the timing […]

I have a big block Chevy engine in my 1955 Chevy with an 850 cfm Holley carburetor and a big Holley fuel pump and return style regulator. I just changed […]

Can I put a set of open chamber iron heads on my 396ci big block Chevy? The engine originally used a set of closed chamber oval heads but instead I’d […]

I have an LS7 427ci LS engine that came out of a wrecked, low mileage 2008 Corvette that is now in my ’69 Camaro Pro Touring car. We will soon […]

We’re building a 383ci small block-powered 1972 Chevy pickup and we thought we’d hook the transmission to the engine before we go much further with the build on the truck. […]

It was Mark Twain who once wrote: “The reports of my death are greatly exaggerated.” The same could be said about the basic four-barrel carburetor. We find ourselves well into […]

I’ve read a story you wrote concerning mixing E85 with gasoline to create a blended fuel with a higher octane. This sounds like an interesting change that might be worth […]

What does indexing the spark plugs mean? I was poking around one of my favorite forums and indexing plugs was mentioned and I’m not sure what they were talking about. […]

I hear numbers thrown all over the place about the horsepower loss from flywheel power to rear wheel power. I’ve heard 10 percent up to 25 percent—which is a huge […]

I was going to buy a stock replacement proportioning valve for my 1969 Nova but a friend said that because I’ve changed so many other parts in my car that […]