Help porting the plenum
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Supreme Member
Joined: Jan 2002
Posts: 1,705
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From: Katy, Texas
Car: '91 Formula
Engine: 350
Transmission: TH350 built
Axle/Gears: 3.73
Help porting the plenum
OK, I want to port my plenum and I remember a description on here, but before I take a grinder to my car I wanted to double check if I have it right. If I take of the air intake stuff and look into the throttle body with the covers open, I see a flat area on the bottom of each of the two openings, Immeditaly behind the round throttle body covers that blocks maybe 10% of the the total round opening on each one. The idea is to take off everything and use a dremel tool and grind this flatt area off until it is flush with the round opening, right? I have a dremel tool and it's plugged in, please confirm procedure doctor!!!
Larry
Larry
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Joined: Jul 2001
Posts: 4,991
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From: Cheyenne, Wyoming
Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
the TPIS catalog has a good example of a ported plenum: http://www.tpis.com/pg9-12.html
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Joined: Oct 1999
Posts: 735
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From: Portales, NM USA
Car: 86 T/A
Engine: 5.0 TPI
Transmission: 700R4
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