WootTootViper
Extreme
- Joined
- Jan 7, 2018
- Messages
- 84
- Age
- 26
- Location
- Illinois
- Country
- USA
- Snowmobile
- 2014 Viper MPI turbo, taller gearing, Ulmer clutch and tuning.
What’s the pros and cons and thought processes behind choosing a helix. I’m reading about them for turbo sleds and I see some are reverse and some are progressive... what’s the difference?