Subject	For the uppper & lower plenum I had my best luck with
Posted by	Turbodog (CT) on July 28, 2008 at 12:04 AM
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In Reply To	For those who do your own grinding and porting.... posted by Waggz on July 27, 2008 at 12:22 AM
Message	a very simple rod with a about a 1.5" slot at the end. You feed in a strip of sand paper or emery cloth and wind it around to the diameter that best suits the hole your working on. If it gets clogged you just tear off the exposed edge to reveal the fresh layer underneath. It worked quickly on the lower plenum and the chances of doing damage by over doing it is low compared to a burr. I was using 60 grit to start with but went finer as I got close to the finished product. Last dyno w/sport 600's 512 whp 470 lbs-tq On 93 octane @ 17psi GT2860RS.64 soon.... Best 1/4 mi on the old engine w/Sport 600's: 12.59 & 120mph on old steet tires Daily driver, 05 Titan KingCab Tow package, 2.5" lift kit.
Follow Ups	For those who do your own grinding and porting.... - Waggz 00:22:54 07/27/08 flap wheels do a decent job - ae300z 07:28:50 07/27/08 also go to sa-motorsports.com (n/m) - ae300z 07:32:42 07/27/08 this grinder works well - aliaZ 10:19:57 07/27/08 For the uppper & lower plenum I had my best luck with - Turbodog (CT) 00:04:29 07/28/08
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