Are Cold Air Intakes Illegal?
A cold air intake (CAI) system is often the first modification a gearhead will make to upgrade their engine. Thanks to easy installation and noticeable performance effect, many enthusiasts consider […]
Mailbag: A Case Study in Cam Size and Idle Quality
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing cam size and idle quality. Q: I am modifying a 1990 Mustang LX […]