Port plenum?
Supreme Member
Joined: Mar 2000
Posts: 13,414
Likes: 6
From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
I guess so... haven't seen the tech article. Also check out http://www.sa-motorsports.com for Do-It-Yourself (DIY) info on head porting, same stuff applies to the plenum.
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