compression

I need your thoughts please. I’m installing KB157-060 (0.60 over) pistons in a 327 I’m building for a friend. The pistons have a slight dome and I’m a bit concerned […]

I have a small block Chevy 350 that uses a terrible amount of oil. I did a compression test of all the cylinders with the results ranging from 155 psi […]

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’m putting together a 355ci small block Chevy and I’m in the planning stages. I was wondering, what are some of the ways to juggle compression ratio? Everybody always tells […]

I want to build a 350 Chevy with iron heads and a 10.0:1 compression ratio. Will that work on 91 octane pump premium fuel? H.C. Seemingly simple questions like this […]

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 […]

You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re troubleshooting a backfiring problem on a 427 […]

Compression equals horsepower. The reason is simple: The more you squeeze the air and fuel mixture in the combustion chamber, the more power you can create. In theory, forcing air and […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taming an old race engine for street use. Q: I plan to install the […]

We recently reached out to the guys in Summit Racing’s renowned tech department—the largest full-time staff in the industry—to identify and answer five common tech questions they hear on a […]