And what makes you think it will be any better with a larger input. Most failures are caused by improper clearances , installation or the one using it can be the culprit also. Center line of bell to crank? We already tried breaking a 23 spline in a 70 Roadrunner. Had someone in the back ripping 2nd without the clutch flat out on throttle with the big long pistol grip and then kicking 3rd. We kept doing it over and over until the 3-4 linkage arm bent.