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Old 09-16-2019, 10:47 PM   #1
badcompany89
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Default bracket car, methanol fuel, 13.5. handle any boost at all

just a quick question, a strictly bracket car on methanol fuel and 13.5 compression.......possible to run a blower? seems like ive been reading lately of some cars with higher compression runner forced induction. use to think you could only run 10.5 or so. have no first hand experience with any kind of power adders
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Old 09-16-2019, 10:58 PM   #2
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Default Re: bracket car, methanol fuel, 13.5. handle any boost at all

I think the big dogs in classes like ultra street , x275 and more are running compression like that on menthanol blower combos. Saves the weight of air to water etc.
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Old 09-17-2019, 02:26 PM   #3
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Default Re: bracket car, methanol fuel, 13.5. handle any boost at all

11-11.5 is common
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Old 09-17-2019, 06:13 PM   #4
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I'm planning low boost on a 12-14:1 e85 race/car show. With methanol they may be at 10-12:1 but 30 pounds of boost. For em.decodomg safe levels I looked at other combinations effective compression ratio with. Boost added. I'm still way under a person running 10:1 20 pounds of boost at 14:1 and 7 pounds. My little theory. Hopefully it works out well
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Old 09-17-2019, 07:10 PM   #5
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Default Re: bracket car, methanol fuel, 13.5. handle any boost at all

With the higher compression ratio the tuning window becomes smaller..I ran12.5 to 1 @ 35 psi with no problem.
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