I just replaced my belt with another gates carbon belt and it is doing what the old one did. When I'm in low and I get on it, it goes fine until I get to about 35 mph and at high rpm it then slips and I can smell it. I cleaned the clutch surfaces when I changed the belt with dish soap and a green patch to roughen up the surfaces perpendicular to the belt. I had a carbon on before and it was fine for a while then was slipping like this new belt. What is the cause of this? I also cleaned the new belt with dish soap before installation. Are both belts too long? Are my clutches not engaging 100%? Thanks. Also, this is on asphalt and I have 28/10/14 piece of crap bighorns on.