caselman Posted March 15, 2010 Report Share Posted March 15, 2010 I am planning on having my cylinders ported by passion racing. My question is what is the difference in a dune port and a TT short track port. Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted March 15, 2010 Report Share Posted March 15, 2010 Ask the guy doing the work. No one knows his work like him. I would imagine a the difference is in where the power kicks in. A dune port gives up bottom end to gain midrange and top end. It will have a pretty good, hard hit in the midrange. A TT port will be smooth so you dont spin the tires and loose traction. TT motors need to be fast but they have to be smooth so you dont blow the tires off. Quote Link to comment Share on other sites More sharing options...
SD1026 Posted March 15, 2010 Report Share Posted March 15, 2010 yes if u want a detailed answer your gonna have to call jim at passion. Quote Link to comment Share on other sites More sharing options...
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