Q&A

The water pump wizards over at Tuff Stuff Performance field a ton of questions about things like pump sizes, flow rates, belt routing, and all sorts of other cooling-related issues. […]

Q: I have a third-gen Chevy Camaro RS. I’d like to build a 350 for it that puts 400 horses on the ground, and I’d like for it to be […]

Q: I’m getting ready to build a 406 small-block to put into my Camaro. My question is about the use of block filler. I’ve read that if you fill the […]

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 […]

Q: I have a 1970 Lotus Europa S2. It’s a mid-engined, rear-wheel-drive car. With a little cutting and welding, I managed to take a Ford 302 (bored .30 over) and […]

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 […]

Q: I’m finishing a build on a 1967 Ford Galaxie convertible. Here’s what I’ve got so far: a 1971 351W, bored .030 over, flat top pistons, stock 69cc heads and […]

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 […]

Q: I have a Chevy Caprice with a 350 4-bolt main, a 292 Lunati cam with .480” of lift, and a high-rise intake with a 750 Holley carb. My heads […]

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 […]