What would be the optimum octane rating for a 2387 with 11: 1 compression ?

110 race gas. Anything less and you risk detanation.

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Water cooled Dry Sumped Subaru Powered Turbo Charged Fuel Injected 2500CC Tank. Oh Rah! He who dies with the most Toys not only wins, He also wears them out!

Ody is correct. 108 to 110 octane fuel will work just fine. If you really want to get technical find your dynamic compression ratio along with the static and this will also help in your selection of fuel. Read this. It help me in building motors. http://www.empirenet.com/pkelley2/DynamicCR.html Now in the high octane fuel you have to consider whether to go with a leaded or unleaded fuel.

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When in doubt, hit it in second gear!

http://www.faqs.org/faqs/autos/gasoline ... ion-1.html


Thanks guys I found this last night. Appreciate the help.
Wish y'all could make it to the Cold Spot to ride with us on New Years but it's not worth that drive for the Cold Spot.