Home › Forum › Ask A Member › Gear Ratio Question › Re: Gear Ratio Question
First off do your research. I don’t think that shaft will work in both cases. The different ratio is obtained from a larger pinion gear which won’t work with the smaller drive shaft splines! The smaller pinion won’t work with the gears from the gearcase either, but I figure you know that. You may be Screwed !**!#! As the small gearcase didn’t come along until ’75/’76. Didn’t we figure out this big case might be a ’72/’73 because of the shift mechanism in the front? Hydro mechanical? I may be confused as to where you are headed at this point, but I dont think the gear ration is enough to be your biggest problem. These motors don’t mind turning a full 6000 RPMs stock. Hoping for the best. You got to try it to see. Plenty of prop sizes in both styles.
Dan in TN