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> octane??
post Dec 8, 2005 - 9:25 PM
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1994toyotaracer

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i was wondering what king of increases i would see if i used 93 octane in my celica
 
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post Jan 13, 2006 - 12:23 PM
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tovejas

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QUOTE(97GTinKC @ Dec 28, 2005 - 1:20 PM) [snapback]372044[/snapback]

87 works OK in a GT, 91 or higher is preferred. It actually says to use 91 or higher for best performance in the owners manual. The computer will retard your timing to keep the 87 from pinging. The ST motor didnt have the compression to make any use of a higher octane.



does it really say to use hign octane 91 gas on your 5sfe in the owers mannual. my celica didnt come with a owners mannual so i wouldnt know

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