05bansh Posted February 22, 2005 Report Share Posted February 22, 2005 So I am running a Noss Head with 19cc domes. I havent gone riding yet since I have installed the head. I am planning on running 50/50 race gas & pump gas. So what does everyone think of using octane boost compared to the 50/50 mix? I'm sure the 50/50 will be better, but I am thinking of maybe just using some octane boost with the pump gas once in a while. Any opinions? Quote Link to comment Share on other sites More sharing options...
ledofthezep Posted February 22, 2005 Report Share Posted February 22, 2005 I'd stay away from octane booster myself, gotta take into consideration on whether it will mix with your mix oil... I'd say stick wtih your 50/50 mix at the least. Quote Link to comment Share on other sites More sharing options...
2stroke_addict Posted February 23, 2005 Report Share Posted February 23, 2005 I'd stay away from octane booster myself, gotta take into consideration on whether it will mix with your mix oil... I'd say stick wtih your 50/50 mix at the least. 327853[/snapback] or go with 101 or even 103 octane gas from VP and avoid the hassle of 50/50 mixing. That is what i do, perfect and no problems. Quote Link to comment Share on other sites More sharing options...
ellison445 Posted February 23, 2005 Report Share Posted February 23, 2005 You can use octane booster if you want, Im sure there are more than enough people on here willing to sell you a new motor! I would stay away from in myself. So I am running a Noss Head with 19cc domes. I havent gone riding yet since I have installed the head. I am planning on running 50/50 race gas & pump gas. So what does everyone think of using octane boost compared to the 50/50 mix? I'm sure the 50/50 will be better, but I am thinking of maybe just using some octane boost with the pump gas once in a while. Any opinions? 327813[/snapback] Quote Link to comment Share on other sites More sharing options...
PUSH THE THROTTLE Posted February 23, 2005 Report Share Posted February 23, 2005 I know of a member on this site that has been running octane booster with no problems. I would stay away from it unless it Quote Link to comment Share on other sites More sharing options...
05bansh Posted February 23, 2005 Author Report Share Posted February 23, 2005 or go with 101 or even 103 octane gas from VP and avoid the hassle of 50/50 mixing. That is what i do, perfect and no problems. 328435[/snapback] I would be all about that if I had access to it here in utah. The only Vp I have found is 112 octane for 5.00/gal. I was going to run the 50/50 with the 112 VP and 91 out of the pump. Quote Link to comment Share on other sites More sharing options...
1800bigk Posted February 23, 2005 Report Share Posted February 23, 2005 (edited) the octane boost at auto zone is a gimmick. if you want to boost your octane safely with out race gas you can go to Lowes and buy a gallon of xylene. It is $10 but it is 117 octane. 4 gallons of 93 and 1 gallon of xylene would be around 97 octane. If you read the bottle of octane boost it says it will raise your octane by some number of points. They mean decimal points not full whole number points. ie 93 would go to 93.3 not 96. If you want to figure out how much race gas it takes to achieve a certain octane level you take (octane of race x number of gallons) + (octane of pump gas x number of gallons) divide all that by total number of gallon so 1 gallon of 112 and 4 gallons of 91 would be ((112x1)+(4x91))/5 = 95.2 Edited February 23, 2005 by 1800bigk Quote Link to comment Share on other sites More sharing options...
05bansh Posted February 23, 2005 Author Report Share Posted February 23, 2005 I guess I should have told you what octane boost I have, I bought some rocket fuel from rocky mountain atv. (they recommended) And I have some VP octane booster. But I think you guys have talked me out of it so I will just run the 50/50. Quote Link to comment Share on other sites More sharing options...
1800bigk Posted February 24, 2005 Report Share Posted February 24, 2005 (edited) oh that stuff may be different that the auto zone junk. read the ingriedeints, if it has toluene or xylene as the first ingriedient then it may be the real deal. Another thing if your compression is not over 155 or 160 and you run over 93 octane you are effectively retarding your ignition timing because of the burn characteristics of higer octane fuels. Edited February 24, 2005 by 1800bigk Quote Link to comment Share on other sites More sharing options...
THEREALBUDLIGHTBANSHEE Posted February 24, 2005 Report Share Posted February 24, 2005 IVE GOT 19CC DOMES ECT, I GO TO THE LOCAL AIRPORT AND GET 100 OCTANE AV GAS OR CARTERS AUTOMOTIVE AND GET T11(111 OCTANE RACE FUEL).BOTH RUN EXCELLENT IN MY MACHINE ALSO STARTS UP ALOTS BETTER! Quote Link to comment Share on other sites More sharing options...
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