THE358BANSH Posted December 18, 2008 Report Share Posted December 18, 2008 This probably won't help you, but I''l post it any way. When doing port work on stock Banshee cylinders, my weapons of choice for finishing operations are a 4mm dia. ball endmill, a 4mm diameter bull endmill, and a .125" dia. lollypop endmill. All of the tooling is made of TiAln coated K30 carbide. The reason I say the info might not be useful to you is that I do my porting on a 5-axis CNC mill. For doing the cylinder block of my own design, I am using quite a few more tools of similair style and dimension. :geek: Got any pictures? Are you still hand finishing the ports after your final cut? What machine are you using? Is core shift in stock cylinders a problem at all? Seems like it may be more of a PITA than it's worth in an r&d enviroment. Quote Link to comment Share on other sites More sharing options...
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