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my next one will get 1,5mm ring piston (new), this one have 1mm ring piston. Currious how they will perform against the other 254 I have, that one has normal compression, like 175 psiYou have got to be kidding Tor..!! You want MORE !! This is going to be hard on the pull start . Wonder just how mush the big and little end bearings could stand in standard form from that lift in compression…you confident in longevity ?