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Octane for B20B, book says 100??? 140-160

My OEM factory repair manual says that I should be using 100 octane fuel? Is there a difference in the way they measured octane in the early 70's v/s today, or should I be using premium with a bottle of octane booster? My emgine is not running very smoothly, but I've not noticed any preignition (knocking or pinging), I just think the carb is a little off (Weber conversion, separate post)

Thanks






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New Octane for B20B, book says 100??? [140-160]
posted by  S15DET  on Mon Jul 25 09:03 CST 2005 >


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