Q&A

I recently bought a FiTech Go EFI fuel injection system for my big-block Chevelle. The engine is a 468ci big-block with a mild hydraulic roller cam, a TH400, a warmed-over […]

This week in our Mailbag, the Summit Racing tech department is troubleshooting bearing-clearance measurement and engine-cranking issues in a small block Chevy. *** Q: I’m building a 350 Chevy engine and […]

Q: Last year, I rebuilt my Ford 300 cubic-inch straight-six engine. The head was shaved .010”, the valve seats were reground, and the crank resized. The block was bored and cleaned […]

I have a ’66 Chevelle with a small-block and a TKO five-speed that’s been recently upgraded with better synchros. With the trans back in the car, I’ve noticed a bad […]

Q: I have a question about engine compression. What would the following compression ratios be in terms of pounds per square inch (psi) of cylinder pressure? 8:1 compression 9:1 compression 10:1 […]

Q: I am in the process of building a 383 stroker engine for my third-gen Camaro. It should produce about 450 horsepower (the current engine’s a V6). Will the stock rear […]

Q: I built a 6-71 supercharged 355 c.i.d. Chevy. It ran fine for two summers until I took the car to the track to dial it in. On the fourth pass, […]

I have a 472-cubic-inch engine in my ’69 Cadillac and I have a problem with oil vapor covering my nice new aluminum valve covers. I had a PCV valve on the […]

Q: I have a Ford 428 engine and I’m installing AN fittings on the heater hoses. The fitting that goes to the intake manifold requires a standpipe. How can I […]

Our tech column seems to be gathering quite a following of guys who want to know more about their cars and engines. One reader posted a comment (below) in response […]