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Tanks!!

We do octane 98 in the netherlands.





Good stuff! 98 research octane as used in Europe is roughly equal to 94-95 octane using US the R+M/2 method. The 98 research octane is a bit better than common US premium but not a lot. You still can't go cazy on compression.

PS... if you use Magnum heads (good idea) and set the pistons for .040" quench you can push the compression more without detonation.

Last edited by ahy; 08/08/12 08:20 PM.