Rball

Yes taller tires would help actual top speed, I was only calculating by what the speedo was putting out. Tall tires are in my plans but wouldn’t change that the Speedo shows only 35 when it feels like it’s reving too high.

Got a 49 pilot house that I just got back together and runs great, only exception is it seems I’m topping out at 35 mph. Any to passed that and the engine starts cutting and sputtering. Sounds like it’s winding out and over Reving at that speed. It’s got 24.5” tires 12.25 center to ground. Axle has 4.1F stamped on it( I think it means 4.10. 3 speed trans. Could it be clutch slippage? It does bog up hill so I wouldn’t think so.