greg_banshee Posted April 10, 2007 Report Share Posted April 10, 2007 hey, have a quick question here, my cylinders were bored out to 66mm to save them because of huge score in one cylinder, i was orignally at 64.50mm and was running 310 mains with 30 pilots do u think i should jump up 1 or 2 main sizes for 66mm ? my mods are in my signature. Quote Link to comment Share on other sites More sharing options...
chevy7398 Posted April 10, 2007 Report Share Posted April 10, 2007 not if it was jetted correctly before Quote Link to comment Share on other sites More sharing options...
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