High CR Piston VS Octane

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Sep 16, 2003 | 06:38 PM

crxsirvtec

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Joined: Jul 2003

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From: Brooklin, on, Canada

High CR Piston VS Octane

hey..

I want to know what Octane Level i would need for the following CR's..

12:1
12.5:1
13:1
13.5:1

Thanks

Sep 16, 2003 | 06:42 PM

Kamin

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Joined: Sep 2001

Posts: 12,176

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From: Tucson, AZ

Re: High CR Piston VS Octane (crxsirvtec)

pump gas would probably run on 12:1 but any higher you need race gas

Sep 16, 2003 | 10:04 PM

junya16

Honda-Tech Member

Joined: Jun 2002

Posts: 935

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From: Hot Ass, Arizona, united states

Re: High CR Piston VS Octane (Kamin)

w/ 13:1 you'd have to run 93 octane and tune on hondata and you'd be fine...hondata's key at tuning high compression motors for lower octane gases

Sep 16, 2003 | 10:26 PM

GapxGuy

Sushi Buffet Champion

Joined: Nov 2001

Posts: 5,968

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From: Orange County, CA, US

Re: High CR Piston VS Octane (crxsirvtec)

I have plenty of friends that run 12:1 on pump gas.

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