Careless Posted August 11, 2008 Share Posted August 11, 2008 sorry gentlemen... but no where did i mention the use of a dremel. this tool is an air powered pencil-grinder, and i've taken metal off VERY easily on a cast iron block with a stone. I've also removed welds from a heat shield using a "dremel" brand pointed bit that had an aggressive tooth on it. I'm pretty damn sure it can every bit as effective as the long-shank large collet versions. I GUESS WE'LL FIND OUT cause my RB26 head JUST LANDED :grin::grin: I still don't understand why people hold the air-grinder at the back and port like they're churning butter with that huge shank almost a foot away into the port. I know that it takes a long shank to reach some of the deeper areas but when it's at the entrance or exit of the port, wouldn't it be easier to have a short-shank bit somewhere layin around? (if u look at one of the pics in grumpyvettes links, the guy has about 5 makita electric grinders hanging to the left of his table, at least one could use a short shank). Quote Link to comment Share on other sites More sharing options...
JMortensen Posted August 11, 2008 Share Posted August 11, 2008 this tool is an air powered pencil-grinder, and i've taken metal off VERY easily on a cast iron block with a stone. I've also removed welds from a heat shield using a "dremel" brand pointed bit that had an aggressive tooth on it. I'm pretty damn sure it can every bit as effective as the long-shank large collet versions. I GUESS WE'LL FIND OUT cause my RB26 head JUST LANDED :grin::grin: Be sure and report back about how badly using the air dremel (that's what it is to me anyway) worked. Quote Link to comment Share on other sites More sharing options...
grumpyvette Posted August 11, 2008 Author Share Posted August 11, 2008 lately IVE used one of these for porting http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=93621 there cheap crap and your not out much when they fail so you just look at them as part of the cost and disposable, naturally you need good 1/4" shank carbide cutting burrs and they cost more than the tool, and you need to wear safety goggles Quote Link to comment Share on other sites More sharing options...
Careless Posted August 12, 2008 Share Posted August 12, 2008 Be sure and report back about how badly using the air dremel (that's what it is to me anyway) worked. will do. im working for quality, not speed i have many die grinders of various sizes. electric ones, air powered ones... this one is the easiest to control and hasn't let me down, so... Quote Link to comment Share on other sites More sharing options...
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