Mike Puckett
SCCoA Member
Indeed, I'm now the owner of a 3" dingleberry hone. Officially called a cylinder flex hone it's dozens abrasive balls on wire ends attached to a spiral shaft. After just receiving and installing an Extrude Honed lower tube on my drag racer, I took the metal cutting tool/die grinder and the dingleberry hone to the set going onto my red 90. The 2 tools really ground out the inside of the tubes and I was able to go quite deep into them, aluminum chips and black dust everywhere. They came out pretty good, almost as much as the Extrude Hone process did for as far as I could reach with it. I wrapped the new tube with thermal tape and painted it before installing. I did 3 tubes last night and made a total mess but I'm real pleased with the results.