I know Cat has the rights to use this system. Snow Week says its being tried on some Sno Pros. But there had been some issues with the hole shot. It also said this being worked out with clutching. It seems to me that with the driven clutch mounted to the drive shaft would be like having your sled ge...

02 prox 440 what is your WSA number?? I think I know who you are. If I am right you don't have a friend at the track. As you know.

First I would like to thank you for the help. I trail ride the sled. I also have had the "500" program installed in the CDI. It will not pull any more rpm on wide open lake runs. Always tops out at 8500-8550. If this is right I will leave it the way it is. If more rpm would help performance I would ...

I have a 2000 zr440 orange white primary spring updated weigts (-1gram). The secondary has a bmsxh with one shim and a green spring in 4th hole.+1 degree timing with 50/50 race gas. Good belt and tight deflection. My problem is it only runs up 8500 rpm. Shouldn't it run out at 8800 rpms? I removed 1...