Engine Masters
Auto parts testing and engine-to-engine shootouts.
25. General Mayhem 440 Returns
0.0Dec 3, 2021 · 23 min
We strap the General Mayhem 440 on the dyno to make some decisions on which intake and headers to run in the car, but also -- and most importantly -- to squeeze out more than the 707 Hellcat horsepowers that have been so unceremoniously yanked from the framerails.