rxrider
Jan-Ove Pedersen
- Joined
- Apr 25, 2003
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- 7,355
- Age
- 59
- Location
- Lakselv - 70N & 25E
- Country
- Norway
- Snowmobile
- 2014 Phazer XTX, 2013 Phazer RTX, 2008 Apex RTX, 2007 Warrior, 2006 Attak
The base number is the octane required to run it in stock form. Whatever the user manual says.
If you want to mix pump with race always use the highest octane pump fuel you can get hold of.
At altitude you will need less octane because of the atmospheric pressure beeing lower reducing the compression pressure. The air will also hold less oxygene thus the need for running a leaner mix at altitude. If you're safe at sealevel 0 ft elevation, your will only get safer the highet the altitude.
If you want to mix pump with race always use the highest octane pump fuel you can get hold of.
At altitude you will need less octane because of the atmospheric pressure beeing lower reducing the compression pressure. The air will also hold less oxygene thus the need for running a leaner mix at altitude. If you're safe at sealevel 0 ft elevation, your will only get safer the highet the altitude.
SLEDSTART
VIP Member
Thanks for the reply!
tapex_07
TY 4 Stroke Master
- Joined
- Feb 15, 2009
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- 1,160
- Country
- USA
- Snowmobile
- '10 Nytro MTX SE IMPULSE 174x3
'14 Viper XTX SE MPI 159x14x1.25
'07 Apex RTX SC2 MPI 128x1
Calc not working... Is there an updated link?
- Joined
- Apr 13, 2003
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- 21,467
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- 54
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- Schofield, WI
- Website
- www.totallyamaha.com
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- USA
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- 2020 Sidewinder SRX
Calc not working... Is there an updated link?
the site no longer exists. I found this.
or even better this one
kinger
VIP Member
I have the Excel spreadsheet saved locally if anyone needs it.
- Joined
- Apr 13, 2003
- Messages
- 21,467
- Age
- 54
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- Schofield, WI
- Website
- www.totallyamaha.com
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- USA
- Snowmobile
- 2020 Sidewinder SRX
Site should allow it to be uploaded.I have the Excel spreadsheet saved locally if anyone needs it.
kinger
VIP Member
Lets see...
Nope doesn't like the xls file format.
Nope doesn't like the xls file format.
- Joined
- Apr 13, 2003
- Messages
- 21,467
- Age
- 54
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- Schofield, WI
- Website
- www.totallyamaha.com
- Country
- USA
- Snowmobile
- 2020 Sidewinder SRX
I have posted them before. How big is it?Lets see...
Nope doesn't like the xls file format.
- Joined
- Apr 13, 2003
- Messages
- 21,467
- Age
- 54
- Location
- Schofield, WI
- Website
- www.totallyamaha.com
- Country
- USA
- Snowmobile
- 2020 Sidewinder SRX
Try now! I think I fixed it.Lets see...
Nope doesn't like the xls file format.
kinger
VIP Member
- Joined
- Apr 13, 2003
- Messages
- 21,467
- Age
- 54
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- Schofield, WI
- Website
- www.totallyamaha.com
- Country
- USA
- Snowmobile
- 2020 Sidewinder SRX
Awesome!!Nice! It worked!
For those searching this for the first time, this is one of the most helpful tools when planning a boosted build AND how much octane you need. I have found it extremely accurate over the years playing with boost.
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