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Compression Ratios

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Old Aug 15, 2003 | 10:29 PM
  #1  
AL ASPIRATED's Avatar
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From: Bay Area, CA, USA
Default Compression Ratios

i am putting vtec on my car but dunno wat is a good compression ratio to aim for.

wat is a good compression ratio for a street driven vehicle?

wat is da max ratio u can get and still be able to use 91 octane safely?

THANKS ALOT

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Old Aug 15, 2003 | 10:44 PM
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From: Socal, USA
Default Re: Compression Ratios (JDMTyPeRHaTcH)

11.5
may be even 12.0
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Old Aug 22, 2003 | 04:44 PM
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Default Re: Compression Ratios (Calavera)

it all depends on tuning, i know people running 12.0 to 1 compression untuned, ive heard of people running 12.5 to 1 tuned so i dont know thats on 93 though here in cali im not shure about 91
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Old Aug 22, 2003 | 04:52 PM
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Mentat Ghola's Avatar
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From: Odessa, Mama
Default Re: Compression Ratios (ekhybrd)

11.5 seems pretty safe.
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