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Re: 91 octane gas in a small engine?


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Posted by soundguy on May 18, 2013 at 15:28:37 from (108.112.162.31):

In Reply to: Re: 91 octane gas in a small engine? posted by Brad Buchanan on May 18, 2013 at 15:03:50:

ever see a sticker on a race pump that says you may exp hard starts on cold engines?

the race pump in the town up from us has this warning.


as you say.. it IS intended for high comp / high rpm / or performance engines to prevent pre combustion and spark knocks.

sounds like your post did nothing but agree with me right up untill the starting issue.

I don't buy 6$ 104 gas because I don't have anything that uses it. I'm still buying 4$ diesel for my trucks. and 3.59 87 octane gas for my old tractors... Just looking at the logical extrapolation of what a higher octane fuel does. coupled witht he warning stickers on the pumps is what makes me think there might be an issue / waste, running a much higher octane that your engine is requireing.


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