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What Fuel Blends Are You Running?

Old 01-05-2004, 08:04 PM
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I've been running 40% avgas w/ super for 16 psi boost, but wouldn't some VP C12 or C16 mix more ideal?



If it were available to me, I'd run some Sunoco 100 or other high-end, "street-legal" fuel. I'm trying to mix my own using only super unleaded w/ either racegas or avgas w/ oil.



I know about SG differences and I may be trying to mix something that won't stay mixed. I want the best octane range for best street performance w/o overdoing it and killing power potential.



Advice greatly appreciated
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Old 01-05-2004, 08:15 PM
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You can purchase 55 gallon drums of Sunoco and VP fuels.
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Old 01-05-2004, 10:40 PM
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i wonder what the demand is for fuel over 100 octane in a typical large city.
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Old 01-06-2004, 04:36 AM
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Originally Posted by Cheers!' date='Jan 5 2004, 08:40 PM
i wonder what the demand is for fuel over 100 octane in a typical large city.
well theres a sunco around here that has it but its like 3.30 or something a gallon, im not exactly sure, but you cant directly pump it into your tank you have to put it in a contaior first.
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Old 01-06-2004, 07:20 AM
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Methanol.
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Old 01-06-2004, 12:19 PM
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Is anyone in this forum running a high-performance fuel or a mix? Are you running 20 psi on pump super? Me, Keith, Mick, Charlie, Ron, and Britney want to know.
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Old 01-07-2004, 12:27 AM
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Originally Posted by g_dripht-alex' date='Jan 6 2004, 05:36 AM
well theres a sunco around here that has it but its like 3.30 or something a gallon, im not exactly sure, but you cant directly pump it into your tank you have to put it in a contaior first.
i thought sunoco 100 was smog legal? or is it a real race gas?



just go find a local airport if you have no cat and don't mind changing oxygen sensors.



what is the difference compared to av gas then? not leaded?
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Old 01-07-2004, 06:31 AM
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Sunoco 100 in unleaded and is street-legal.

I have been using avgas. Gasolines have differing specific gravities causing them to possibly not stay mixed like when you mix gal. of low-lead avgas with 12 gal. of super unleaded for weekend playtime to safely run at high boosts of 16 psi and up.

Since I am not getting any replies to my question, I will do my own unscientific testing by mixing super-avgas, super-C12, and avgas-C12 in 1:1 ratios in glass jars. I'll post my observations.
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Old 01-07-2004, 07:39 AM
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Originally Posted by Turbomark7' date='Jan 6 2004, 10:19 AM
Is anyone in this forum running a high-performance fuel or a mix? Are you running 20 psi on pump super? Me, Keith, Mick, Charlie, Ron, and Britney want to know.
Tyresmokins running Methanol, that's pretty high performance.
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Old 01-07-2004, 07:50 AM
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I'm running a street car. Methanol isn't practical for a street car. My street car is not set up for methanol. I would consider running Foster's ethanol. It smells and tastes like it could possibly yield some sort of power gain ......... that is if I can keep it well hidden from Keith.
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