starting to port and polish plenum what do u think
the porting didnt take all that long. im useing a dremel with a cord thing its work really good. polishing the top of the plenum is taking the must i only work on it every so often and for a hour. my hand goes numb after any longer then that.
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What bits are you using in the dremel tool to port with? I have access to air and a die grinder but its out in the garage and this time of year the garage is darn cold. I am assuming I will need the die grinder and a carbide bit to siamese the base, but if I can port the plenum with the Dremel at least I can get something done in the off season.
Last edited by Chevyguy1984; Nov 18, 2002 at 07:44 PM.
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From: Littleton, CO
Car: 85 Z28
Engine: 305 TPI (dead) -> building 355
Transmission: 27 spline 700R4 (another one died) -> T5 goin in next
I used a dremmel for my plenum porting. The bit that I used was about 5 cut off wheel discs stacked on top of each other. That took the aluminum right off, then I used sanding rolls to smooth it out. Instead of changing the sanding rolls and going to higher grit numbers, I just wore down the sanding roll. Basically, the roll changed it's grit, instead of me changing the roll.
-Jesse
-Jesse
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