Fuel Grade Survey

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tmiller1

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The highest grade we have in my area is 91 Octane - which is what I always run.
 

joey

Custom Rover Accessories
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Only get higher than 91 at one place 30 mintues from here.... so I tend to run 91 with lucas upper end lube once a month.
 
J

jmjunker

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(r+n)/2

I would like to clarify octane rating as: the (R+N)/2 method.

This method ususally reads several points lower than that found overseas.

Thanks!
 

Moose

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87, but I run seafoam through a lot, and clean my out all the time...
 

Jaak

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Sunoco 94 with ethenol ... 1/2 cent more than 92 octane and has gas line antifreeze built into it!
 

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