kevin j Posted March 22, 2021 Report Share Posted March 22, 2021 Questions, angle grinder for port modifications. -I have modified several 2 stroke cylinders with Dremels with decent results, but never upper transfers because I don't have a small enough angle grinder. -I have a trials motorcycle engine TY250 Mono with 68 mm bore that I would like to work on the upper transfers. My 90 degree 1/4 inch angle grinder is too big. -I can't afford a Foredom cable operated with the assorted heads. -If I have to buy something, I'd like to be able to do saw cylinders as small as the 026 44 mm bore. -What is out there that could do a 44 mm bore? I can do electric or air. The low speed dental heads are cheap, but the drive portion is spendy. Are they terribly slow on metal removal? This would not be a business, and I have more time than money. I would hire it out, but it's not an easy option here. Advise? Quote Link to comment Share on other sites More sharing options...
cascao Posted March 22, 2021 Report Share Posted March 22, 2021 Had you looked at dremel 90 degree attachment? Quote Link to comment Share on other sites More sharing options...
kevin j Posted March 29, 2021 Author Report Share Posted March 29, 2021 Yes. That will be my fallback plan. I used one of those quite a few years ago maybe I pushed it too hard because it had a pretty short life Quote Link to comment Share on other sites More sharing options...
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