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40
Joined
2/18/2020
Location
Mohave Valley, AZ, USA
Edited Date/Time
5/22/2020 11:46am
I’m contemplating between the VP T4 and the Sunoco GTX 260. I like the Sunoco fuel better because of the price difference but is it the correct fuel to run in a stock 450 dirtbike?
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I have had vey good success with T4 in my 250f and 450f. I have also bought the VPR (leaded version of the T4, higher octane) and cut it 50/50 with 87 pump with no ethanol. Worked good also, but dealer stopped stocking it.
I believe all of the Sunoco GT fuels have ethanol, which can have performance benefits but also should be drained after rides. I prefer the ethanol free fuels to preserve the plastic fuel tanks, o-rings and seals. IMHO, I like the T4 and Sunoco Optima best, no ethanol. Optima is priced better but is not oxygenated...
https://gulfracingfuels.com/wp-content/uploads/2012/05/GulfRacingComps…
260GT and 260GT+ do have ethanol, which boosts octane some. Like I mentioned it's not a deal breaker to all, but I like the stability of fuel without ethanol.
I like the T4 for the Moto bikes because it has good octane and they oxidize the fuel without the use of ethanol. I'm not aware of Sunoco having a comparable fuel. (90-93 MON, no ethanol, 5% oxygen)
A cheap way to get non ethanol, non oxygenated fuel with higher octane is to mix a gallon of the 110 octane leaded gas with 3-4 gallons of 90 octane non ethanol fuel.
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