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B18b1 Owners...what Octane Do You Use?

Discussion in 'General Tech and Maintenance' started by beau_safken, Mar 5, 2003.

  1. beau_safken

    beau_safken Senior Member

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    I'm in the mile high city so the choices are 87,89,91 octane. Which one do I need. Compression ratio is 9.2:1 so I was thinking that good old 87 would work. I am all motor and no mods just stock. What do you guys think? Flame away.... :(
     
  2. vtecsir1

    vtecsir1 Senior Member

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    i run 91 or higher but 87 is fine especially with the way gas is now.
     
  3. lsvtec

    lsvtec GNU/Linux Evangelist

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    you don't need to run anything higher than 87 in that engine.
     
  4. beau_safken

    beau_safken Senior Member

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    That's cool. I was thinking that anything under 9.5:1 is 87, 9.5:1 - 10:1 is 89, above is anything else. Cool thanks guys. I guess I'll fill up on the cheap crap before the swap then.
     
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