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Octane Booster...opinions...
started by whitexc
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November 19th 2008 at 10:26 PM
[ Modified November 19th 2008 at 10:26 PM
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whitexc
Average Member
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948 Posts 
Group: Members
Member Since: February 19th 2006
Location: Pendleton, NY, USA
Current Sled: XC
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Just wandering what the ruling is or peoples opinions on octane booster. I am not trying to get 110 octane from 93 with additive, I am talking more along the lines of helping out some 89 or 91 with some booster in a time of need. Sometimes in the sticks all you can get is 91 at best...what do you think?
Polaris...it IS the way out!
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Site Supporter
Group: Site Supporters
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November 19th 2008 at 10:36 PM
[ Modified November 19th 2008 at 10:43 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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Thank you, I need this info too, since I'll probablly be running 91 octane with octane booster to get it up over 92 for my 01 Pro X.
Edit: as of right now, I bought some Amsoil octane boost. Oh, and almost all the gas stations around here have 91 octane premium.
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 19th 2008 at 10:39 PM
[ Modified November 19th 2008 at 10:40 PM
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KingPrat
Destroyer of Trailers
KingPrat thinks that Shooter is one of the better movies from the last 5 years.
Updated Over 2 hours ago
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1032 Posts 
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Member Since: September 13th 2008
Location: Saugerties, NY
Current Sled: 2000 Polaris XC 700 SP
2008-2009 Miles: 200
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Why would you need more than 91 octane for the 700?
Most regular gas stations have 87, 89, and 93. Are you thinking 89?
2000 XCSP 700: Edge rear suspension, 1.25 Ripsaw, 144 Accord Racing Warthog ZXP studs, Sportech Decals, Stripped Tunnel, 3" Riser, Gutted Airbox, Boyesen Rave Valves
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November 19th 2008 at 11:01 PM
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speed8
Starting Member
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4 Posts
Group: Members
Member Since: November 15th 2008
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Quote originally posted by whitexc
Just wandering what the ruling is or peoples opinions on octane booster. I am not trying to get 110 octane from 93 with additive, I am talking more along the lines of helping out some 89 or 91 with some booster in a time of need. Sometimes in the sticks all you can get is 91 at best...what do you think?
i heard lucas is the best for octane booster, over the counter.
its the only octane booster that it marked for off road useage.
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November 19th 2008 at 11:36 PM
[ Modified November 19th 2008 at 11:37 PM
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shortstop20
I NEED SNOW!!!!
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3839 Posts 
Group: Members
Member Since: August 9th 2004
Location: Stickney, SD, USA
Current Sled: '09 Summit XP 800R 154" X
2008-2009 Miles: 400
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95% of octane boosters are worthless. The "octane points" that they speak of is a trick. What they actually mean by 7 octane points is that your 89 octane gas will be changed into 89.7 octane gas. It's a waste of money.
If your sled says it needs 92(never heard of that), 91 will work fine, assuming it's actually good fuel. There's enough room for error to run one octane point less on a trail sled.
2009 Ski-Doo Summit XP 800 154" X package - Quick Clickers, Between the Lines Designs Ice Scratchers, Tunnel & Rail Stiffeners
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November 19th 2008 at 11:59 PM
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westman995
Advanced Member
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1927 Posts
Group: Members
Member Since: February 22nd 2008
Location: St. James, Minnesota, USA
Current Sled: 98 rmk 600 - zx mod
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Ok i know nothing about the octance stuff, not one bit. But what would i want to run in my 99 ski doo 440x? Its running low comp domes and was just pushing 150 psi after rebuild. I think its just under 150 psi as of now. What is recommended to run it it?
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November 20th 2008 at 1:09 AM
[ Modified November 20th 2008 at 1:11 AM
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arctic_cat_man1
Ditch Banger
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351 Posts 
Group: Members
Member Since: February 11th 2008
Location: Duluth, MN, USA
Current Sled: 06 SnoPro 440, 00 ZR 600
2008-2009 Miles: 660
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Quote originally posted by westman995
Ok i know nothing about the octance stuff, not one bit. But what would i want to run in my 99 ski doo 440x? Its running low comp domes and was just pushing 150 psi after rebuild. I think its just under 150 psi as of now. What is recommended to run it it?
Just about every sled is made just for 89octane except for your "Racing Sleds" like my 440 SnoPro was made for 110 but i had to convert it over to 91 premium non oxygenated. I have a good friend that owns a gas station, He says nomatter what kind of sled, just make sure the gas is non-oxygenated which means no Ethanol. Ethanol doesn't combust very well in sled expecially when it gets colder out. I know alot of peeps who run regular 88-89 octane. But I believe in the 91Premo Non-Oxy, I run in both of my sleds. And as far as your sled running 150PSI, That is VERY high combustion for a snowmobile. Infact i believe that is almost the top of the chart, I could be wrong?????
Don't start no sh!t, won't be no sh!t.
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November 20th 2008 at 1:25 AM
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shortstop20
I NEED SNOW!!!!
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3839 Posts
Group: Members
Member Since: August 9th 2004
Location: Stickney, SD, USA
Current Sled: '09 Summit XP 800R 154" X
2008-2009 Miles: 400
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Different compression testers will yield different numbers and compression numbers are only part of the equation when figuring out what octane is needed. Since it's running the low compression domes you should be fine running 91 octane(I'm assuming that's what the low compression kit calls for). Make sure the timing dial is set correctly too if that sled has one.
2009 Ski-Doo Summit XP 800 154" X package - Quick Clickers, Between the Lines Designs Ice Scratchers, Tunnel & Rail Stiffeners
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November 20th 2008 at 7:45 AM
[ Modified November 20th 2008 at 7:46 AM
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Most newer sleds call fo 91 octane.
That's exactly what I run for pump gas, 91 Octane chevron.
For any higher octane needs, I mix in a little race fuel, normally 114 octane Pro Purple from VP because it's a very consistant fuel and I can mix it down with pump gas for my needs.
As for octane boosters, they are pretty much a joke.
Go back and read Shortstop's post (post #5) about them and learn.
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November 20th 2008 at 4:14 PM
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snowolf
Average Member
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514 Posts
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Location: buchanan, mi, USA
Current Sled: 04 f6 red 97 ultra spx se
2008-2009 Miles: 840
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my 97 ultra spx says right on the dash to use 92 octane fuel...........
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November 20th 2008 at 4:17 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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And I know it really doesn't matter but my sled was raced a couple times, but that really shouldn't matter for running 91 octane instead of a little higher octane?
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 20th 2008 at 5:24 PM
[ Modified November 20th 2008 at 5:26 PM
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Dekk85
Advanced Member
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1245 Posts
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Member Since: February 28th 2008
Location: Hawarden, Iowa, USA
Current Sled: 2003 Polaris RMK 600
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Quote originally posted by Polarisfreeeek
Thank you, I need this info too, since I'll probablly be running 91 octane with octane booster to get it up over 92 for my 01 Pro X.
Edit: as of right now, I bought some Amsoil octane boost. Oh, and almost all the gas stations around here have 91 octane premium.
Exact thing that I do. We run 91 octane in our pro x with a little octane booster.
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November 20th 2008 at 5:35 PM
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whitexc
Average Member
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948 Posts
Group: Members
Member Since: February 19th 2006
Location: Pendleton, NY, USA
Current Sled: XC
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I asked because the heads are cut a bit and it's a fresh motor. I know I can run 93 or probly 91 no problem, but like I stated in the original post, sometimes you can't get even 91, let alone 93. I am just wandering if I can carry a bottle of this magic juice and help out some crappy gas should I need to get some of it! I guess not, judging by the opinions.
Polaris...it IS the way out!
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November 20th 2008 at 5:43 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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But what am I supposed to do? There's is absobleutly no gas station around here wihtout ethanol in it.
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 20th 2008 at 5:50 PM
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CanadianXCR
New Ice Ripper!
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1642 Posts
Group: Members
Member Since: December 18th 2004
Location: Barrie, ON, Canada
Current Sled: 1998 XCR 440
2008-2009 Miles: 0
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Sounds like your stuck! LOL...Best rule of thumb is to run whatever your manual says, running higher octane is just a waste otherwise. My XCR manual says to run 92 octane, sometimes all I can get is 91 and the sled still runs fine. Most likely it would run ok on even 87 you just run the risk of detonation under higher load/temps. I'm running around 140psi in each cyl. It's the real high compression engines that really depend on proper fuel to run right, consumer machines all have a safety factor built into them due to inconsistent fuel & retards. 
98 XCR 440 / Woodys / Hot Seat Performance / Shock Pros / Cobra / Sportech / Fox / TEAM / Camoplast Ice Ripper
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November 20th 2008 at 5:59 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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So, would it be ok if I ran ethanol fuel as I have no choice? Will it be ok, have all the peformance it should?
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 20th 2008 at 6:15 PM
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ripperd
kick@$$
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7425 Posts
Group: Members
Member Since: November 7th 2001
Location: Brooklyn Center, MN, USA
Current Sled: 07 Rev 600 mod
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Quote originally posted by Polarisfreeeek
But what am I supposed to do? There's is absobleutly no gas station around here wihtout ethanol in it.
With your 01 prox 440 10% ethanol 91 octane will be OK. As long as you arn't jetted near the edge and get a slug of bad fuel you will be ok.
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November 20th 2008 at 6:22 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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Quote originally posted by ripperd
Quote originally posted by Polarisfreeeek
But what am I supposed to do? There's is absobleutly no gas station around here wihtout ethanol in it.
With your 01 prox 440 10% ethanol 91 octane will be OK. As long as you arn't jetted near the edge and get a slug of bad fuel you will be ok.
Ok, good. Thanks.
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 20th 2008 at 7:45 PM
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CanadianXCR
New Ice Ripper!
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1642 Posts
Group: Members
Member Since: December 18th 2004
Location: Barrie, ON, Canada
Current Sled: 1998 XCR 440
2008-2009 Miles: 0
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Mfg's know that ethanol is the new norm, especially out west. They won't sell machines that won't run ok on slighty subpar fuel, lord knows theres enough of that crap out there.
98 XCR 440 / Woodys / Hot Seat Performance / Shock Pros / Cobra / Sportech / Fox / TEAM / Camoplast Ice Ripper
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November 20th 2008 at 7:51 PM
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Rubi
Advanced Member
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1018 Posts
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Location: Alexandria, MN, USA
Current Sled: 2000 XCSP 600
2008-2009 Miles: 1071
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Quote originally posted by Polarisfreeeek
So, would it be ok if I ran ethanol fuel as I have no choice? Will it be ok, have all the peformance it should?
You can get nonoxygenated gas at the gas station on North Nokomis in Alex. It used to be Cenex, but I don't know what it is now. It's right past Paul's Small Engine and Cullens.
1990 Indy 400 (Slightly modded with welded tunnel cracks and various used Indy parts from models throughout the 90's)
2006 Stihl Chainsaw
1980's Vintage Lawnboy Lawnmower
2005 Husqvarna Weed Whacker (It sucks to rewind the string, but that 31cc motor sure is torquey!)
2000 Polaris XCSP Edge 600 (1.5" Track, 22x40 gearing, Aaen exhaust, Student Driver pivot riser package)
2008 RMK 600 144"
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November 20th 2008 at 7:55 PM
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Polarisfreeeek
thinks the IQr is the best sled ever made!!!
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882 Posts
Group: Members
Member Since: February 4th 2008
Location: Osakis, Minnesota, USA
Current Sled: 01 Pro-X 440, 92 Indy 440
2008-2009 Miles: 270
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There's stop and go to, but I don't want to have to ride into Alex every time just to get gas. Besides, then I wouldn't be able to get very far away from here for rides, and I'm not gonna carry a gas can with me, but thanks anyways for the info.
POLARIS-DOMINATION!!!
Go Big or Go Home!
Wide f#!kin' open!
When in doubt, floor it!
01 Pro-X 440
92 Indy 440
92 XCR 440
Brother-95 ZRT 800 136" slightly modded
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November 21st 2008 at 1:51 AM
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shortstop20
I NEED SNOW!!!!
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3839 Posts
Group: Members
Member Since: August 9th 2004
Location: Stickney, SD, USA
Current Sled: '09 Summit XP 800R 154" X
2008-2009 Miles: 400
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If your sled calls for 92 octane, 91 octane will work just fine(assuming it's good fuel). Forget about the octane booster.
2009 Ski-Doo Summit XP 800 154" X package - Quick Clickers, Between the Lines Designs Ice Scratchers, Tunnel & Rail Stiffeners
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November 21st 2008 at 5:50 PM
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polaris1man
Average Member
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738 Posts
Group: Members
Member Since: December 22nd 2007
Location: Nashwauk, Minnesota, USA
Current Sled: Polaris SKS700
2008-2009 Miles: not many
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91 Non Ox is better than the 93 w/corn oil in it. If you're really worried, buy a 5 gallon can of the 100 Race fuel, dump like 32 ounces to 6 gallons and see what the plugs look like
Three-1999 Polaris SKS700's
2000 Polaris SKS700
2000 Polaris Ranger 6x6
2007 Polaris Sportsman 800 EFI X2
2000 Yamaha YZ 250
1996 Yamaha WR250
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