Hi, I was wondering if you could help answer a few questions and doubts I have about moving forward with my E85 build. I know there’s a lot of hype […]

This may sound like a simple question, but what is cylinder wall glazing and how is it created? I hear about it all the time when people talk about piston […]

How do I tell the correct heat range spark plug for an engine? – Mark S. Jeff Smith: Simple questions sometimes require a bit longer answers. This is one of those […]

I did a LS2 swap in my ‘54 Belair. The engine came from an ‘05 GTO. It has a modest stereo system operating on a 10-amp fuse. It has a 16-inch […]

I’m asking this for a friend and I know you will have suggestions. He’s building a vintage El Camino and has decided on an LS swap. He wants 650-700 hp […]

I just bought a used 5.3L iron block engine out of a truck. I’ve decided to put new replacement pistons and rings because I found a set of cheap take-out […]

You did a tech answer around two years ago which was about adding a set of Vortec heads to a small-block Chevy. How much of a horsepower gain could you […]

I’m confused. I see all kinds of opinions about iridium and platinum spark plugs versus the normal copper plugs. Some say they’re good while others say not to use them […]

I recently purchased a’71 Camaro with a small-block and a 700R4 overdrive trans. The guy who I bought it from said the trans has a lockup converter and that everything […]

I have a Chevy II with a 355 cubic inch small-block and a Muncie four-speed. Over the years, I’ve made some small suspension modifications with Global West De-A-Lum bushings. On […]