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Old 05-05-2012, 10:09 PM   #1
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Default Meth and low Octane?

Forgive the stupid question.

I have a begi kit (FMU& AFM). I am running about 8 psi, no intercooler but have a MSD timing retard box and run 91 octane. All is well. I have the high pressure pump, in boost, running 11 A/F.

I am installing water/meth for the Tucson Summer heat. I removed the kit from my other car.

Once installed, ya think going a bit more boost or dropping octane to mid or low grade would be possible?

Just wondering what people think or have tried.
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Old 05-06-2012, 05:33 AM   #2
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No. Don't drop octane.

More boost and timing is fine. You want the fueling combo to be as det resistant as possible. That is why max octane. Pay the extra $3.

You have 4psi to go before you break rods
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Old 05-06-2012, 12:12 PM   #3
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I probably wont go past 10psi and wont remove the retard box.

Thanks for the input.
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Old 05-06-2012, 03:48 PM   #4
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Are you really willing to risk motor safety and performance to save $2/tank on fuel?
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Old 05-06-2012, 04:18 PM   #5
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Yes. Miata was free.

You actually paid for yours?
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Old 05-06-2012, 09:44 PM   #6
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Just posting this so it doesnt get lost.

cheap nozzles http://www.mcmaster.com/#catalog/118/2086/=hf8gyq

http://www.mistcooling.com/nozlles.htm
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