What exactly is "porting the plenum"?
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Joined: Jun 2001
Posts: 140
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From: Colts Neck, NJ, USA
Car: 1990 IROC-Z
Engine: 305 TPI
Transmission: 700-R4
What exactly is "porting the plenum"?
I hear a lot of people talk about this being an easy do-it-yourself mod, but I have absolutely no idea what it is referring to...what is it all about??
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305IrocZ28- Al
1990 Iroc-z 305 TPI auto, Flowmaster exhaust, 2 Rockford 10'' Punch woofers w/ 160a2 amp, 2.73 rear (1650 rpms @ 60mph)
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305IrocZ28- Al
1990 Iroc-z 305 TPI auto, Flowmaster exhaust, 2 Rockford 10'' Punch woofers w/ 160a2 amp, 2.73 rear (1650 rpms @ 60mph)
Senior Member
Joined: Mar 2001
Posts: 629
Likes: 10
From: New Yuck
Car: Non F-body :(
Engine: Pontiac 301
Transmission: TH350
Check out <A HREF="http://www.gmtips.com/3rd-degree/dox/tips/plen-port/port.htm">GMtips</A>. There's lots of sites that have tips on how to do this. Just go to a search engine and type in "Porting Plenum"
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