Tag: Naturally Aspirated Engines
Performance Camshaft Selection Guide for Builds
Use this performance camshaft selection guide to match lift, duration, lobe separation, and supporting parts to your street, strip, or boosted build.
Manthey’s Porsche 911 GT3 Cup MR 30 Gets a 4.2-Liter Flat-Six
Manthey’s Porsche 911 GT3 Cup MR 30 pairs a 552-hp, 4.2-liter flat-six with revised cooling, aerodynamics and suspension. Its companion Cayman MR 30 follows a different path, improving an existing engine package through lighter components and chassis development.





