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Hey guys, ported my first iron tonight, and i think it Went pretty well. I used the RB streetport templates, a 22,000 rpm air die grinder, double cut carbide bit, and a 80 grit sandpaper roll. I found the double cut carbide bits jump a whole lot less than the single cut bits. It took less time then i expected, maybe 45 min - 1 hour. My questions are, is the runner radius on the top of the port good? Also what methods are the best is smoothing out the transition from the runner, to the wall going to the port? All in all, I still have a bunch more smoothing out and sanding to be done, but I found that just taking your time, being comfortable, and supporting your hands on something sturdy produce the best results. Ear protection and glasses are a must as well, and mechanic gloves make the job more comfortable as well. Take a look and tell me what you think,
Thanks, Matt Attachment 20844 Attachment 20845 Attachment 20846 Attachment 20847 |
thats pretty good for a first time. Are you going to port the runner as well?
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Originally Posted by loudnproud' post='816840' date='Apr 30 2006, 11:28 PM
thats pretty good for a first time. Are you going to port the runner as well? I thought i read that I shouldn't port the runner, and i should leave the stock venturi? THis is for a carbed 12a, Am i mistaken, should i widen the runner a bit, leaving a bit of a venturi? |
looks pretty good for a first time. another tip is you can use a few strips of duct tape to cover the housing surface and prevent scoring if or when the die grinder gets away from you, but i think you're a quick study. hand control is a MUST.
good job. |
Originally Posted by matigi' post='816937' date='May 1 2006, 01:37 PM
I thought i read that I shouldn't port the runner, and i should leave the stock venturi? THis is for a carbed 12a, Am i mistaken, should i widen the runner a bit, leaving a bit of a venturi? Think what he means is to just clean up the runner. Knock down the casting flash and smooth the surface. Don't neccesarily go bigger or alter the shape. Just smooth it out. |
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