Whether you go the cheap route and grab some 87 octane or think a few bucks more for the 92 premium Techron infused ammunition glides you along faster it all pretty much does the same thing. end and piston walls and the gas evaporates up through reed valves Does Oil of Oregano raise the sugar in your blood? Turbos run on 91-93 octane. I thought it was just that it was new and not "broken in" yet. Whereas a High Octane fuel can go beyond 100 rating but in India we get legitimate fuel with High Octane rating up to 93. Higher octane fuel does one thing. The manuals have said to use 89 octane or higher. This can result in hard starting, unsafe high idle speeds, stalling, and can ultimately lead to engine damage or fuel system failure. Fuel with a higher octane rating will not improve power in an engine that has been calibrated to run on 87-octane fuel. Sunoco MO2X is an oxygenated racing fuel designed for excellent throttle response in high compression, high rpm 2- and 4-stroke applications such as motorcycles, all-terrain vehicles, snowmobiles, and karts. RGV isn't keen on 95 from Caltex, I refuse to line BP's pockets, Shell isn't near me so I have never tried. Yesterday a customer brought in a small Stihl line trimmer and felt he had a warranty repair because it was hard to start and wouldn't idle. crankshaft, a piston, lifting rods, or hydraulic lifters, and a I know in 4 strokes it can burn out valves prematurely if the engine is not designed for it. Australia's current standard fuel is 91 Research Octane Number (RON) unleaded and most cars sold here since 1986 were built to accept it. Engineers design *** around standard 87-91 octane not race fuel … After all, “high-octane” is often synonymous with increased power and performance. Also the turnover is a lot higher on standard 91 than premiun thus fresher fuel. since i wrecked my first engine build by slagging pistons and spraying melted aluminium all through the crankcase i dont take any chances with low octane gas. If you use lower octane gas in a higher compression engine, you will get pre-ignition or pinging. Notice the difference (at least in my head) from Caltex Vortex and that detergent from BP. The higher the compression ratio, the higher-octane fuel is needed. Of the 18 isomers of normal octane (C8H18), octane gets its name from the 2,2,4-Trimethylpentane compound, which is highly resistant to auto-ignition. Whereas a High Octane fuel can go beyond 100 rating but in India we get legitimate fuel with High Octane rating up to 93. Prevents rubber and plastic part breakdown. Just curious what octane fuel does everyone run in their 2 strokes? Higher octane means less tendency to detonate and the ECU can then automatically provide increased ignition advance. Hope this Ethanol Shield Usage Instructions - Lawn & Garden (2 & 4 cycle): 1. Thanks. It just that I have extra left over in my fuel can and it would save me the trip to buy 95 octane. Roadkill Customs has used Race Gas fuel concentrate in their builds for years — because it works! Customers who viewed this item also viewed. 114 octane is recommended for naturally aspirated engines operating at over 8,000 rpm with compression ratios of 14:1 and over in 4-stroke snowmobiles. separate exhaust valve and intake valve, and on most cars there are My estimate is that 90% of the 2 stroke engine problems we see are fuel related. I REJECT YOUR REALITY AND SUBSTITUTE MY OWN. First, when fuel is premixed with 2-stroke oil, the octane rating is reduced by about 2 points. Just curious what octane fuel does everyone run in their 2 strokes? The greatest excitement comes from besting who you were yesterday. In the owners manual for my yamaha dt230 it recommends 91 octane fuel, but i have been running it on 95 and 98 octane fuel.