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Old 09-22-2008   #1 (permalink)
pumped is offline Rookie


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Cool Flex fuel in supercharged 5.0 - what is needed

I'm building a supercharged 5.0 (actually a Ford Racing Performance Parts BOSS) stroked to 347.
I want to be able to run E85 because, with an octane rating of 105, I can run more boost and/or timing. But I also need to run 93 octane gasoline since E85 is not always available. If I use a Tweecer or Anderson Ford PMS, I can switch from one tune to another.
I have a 1995 Mustang. Does anyone know which parts (fuel tank, pumps, lines, etc.) Ford has already made E85 friendly in that year?
Also, at 10-12 psi on gasoline I'm already using a big pump and big injectors. For E85 I need an even bigger pump and bigger injectors. I'm concerned that the injectors may be so big (about 60 or 70 lbh) that they won't work properly at low speed cruise around town (this is mainly a street car). So I may want to use two injectors per cylinder. Does anyone know how a two injector system works? And has anyone any knowledge of a booster car running flex fuel?
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Old 09-22-2008   #2 (permalink)
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alot of money and think a waist of time. your beter off leaving it with 93 and a tune to run 105 to 110 octane.
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Old 09-30-2008   #3 (permalink)
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Back order one of last years issues of Mustang enthusiast, I dont remember the month. It may have even been Dec. 06. Anyway they did a feature car that was running 475 on E85 and if I remember correctly, you can tune your car for 93 and then just back off the boost Via a bypass and run E85. Because of the lower BTU's of E85 you will be able to run the same injectors just less boost even though the octane level is higher. This is all from memory so dont hold me to it.

Good Luck!
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