full tilt viper
Pro
- Joined
- Dec 25, 2009
- Messages
- 142
- Reaction score
- 18
- Points
- 988
- Location
- Ontario
- Country
- Canada
- Snowmobile
- Nytro MPI Stage 1
Picked up a 2012 Apex XTX MPI Supercharged . Has PC5 and head shim and upgraded fuel pump. Looking at the pulleys it's 26bx24t . Any idea what kind of boost this will make ?
