deerekillr Posted July 27, 2008 Report Share Posted July 27, 2008 First off, I did search around and cant find what i'm looking for. I know i've seen a compression chart somewhere here before but I cant seem to find it now. I need to lower my compression to get off of race gas. I've got 185+ compression with 18cc domes and need to get down to a respectable safer compression where I can run 93octane. I dont know if the crank in this thing is welded either and I dont want to scatter it all over the woods. I dont care about the power loss, i'll deal with it for alittle more reliability and less hassle trying to get 5 gallons of race gas every weekend. Can anyone fill me on on what size domes will get me to a compression where I can run pump gas? Like I mentioned, i'm currently at 185psi with 18cc domes, some sort of MX port, at about 1600ft. thanks, james Quote Link to comment Share on other sites More sharing options...
jamebo Posted July 27, 2008 Report Share Posted July 27, 2008 This link is to Noss Machine. At the bottom of the page is a list of suggested numbers and elevations. David will have what size domes you need. Talk to him and let him know your elevation and mods and I'm sure he will be able to hook you up with the proper domes. Nossmachine Quote Link to comment Share on other sites More sharing options...
deerekillr Posted July 27, 2008 Author Report Share Posted July 27, 2008 Thanks very much, thats exactly what I was looking for! james Quote Link to comment Share on other sites More sharing options...
dlnoss Posted July 28, 2008 Report Share Posted July 28, 2008 20cc domes would be fine. 19cc would be on the edge, particularly if you advance the timing. -David Quote Link to comment Share on other sites More sharing options...
Animalman294 Posted July 28, 2008 Report Share Posted July 28, 2008 Ya, you heard it from the man himself.............. :biggrin: Quote Link to comment Share on other sites More sharing options...
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