in the next week or so i'm gonna be pulling the plenum to paint it...i'm gonna port it to since it will be off the car...can anyone give me info on what to do where to port....will i need new runner gaskets and stuff? thanks guys!

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89 GTA
Rice....it's whats for dinner

The left lane is for passing...if you aren't passing get the f*ck out of my way!
Proud memeber of the South Jersey Fbody Crew(all 2 of us!)
http://www.hometown.aol.com/clarkemustgonow

Tony

 

Radious the insides of the walls and take down the wall behind the opening of the twin holes. You can also shave down the ridges between each runner (behind the runner divider) DO NOT TAKE OUT THE WALL BETWEEN THE RUNNERS unless you are adding siamesed runners..

You can also gasket match your runners to the plenum. Put the runner gasket up against the plenum and trace around it. Dont port past the circles. This makes sure everything is even.

Go ahead and get new runner gaskets. Do you already have an AFPR? If you are adding one, make sure you change the internal pieces (spring/diaphram). Advanced auto and parts america has them for $29 compared to $95 dealer price.

Be careful radiousing the walls. Don't go through.

You don't have to make it mirror smooth finish. You want a little turbulence.
Go here also : http://www.tribal-treasures.com/cars...-port/port.htm

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'92 Formula
305 TPI 5speed
1LE package
Mods: SLP headers,SLP catback,SLP air foil,ported plenum,Crane AFPR (42psi),MSD6AL,homemade cold air,K&Ns,3:73s,JET fan switch, Macewen white face gauges...ZZ9 cam (i still have to install it )

[This message has been edited by theformula (edited November 14, 2000).]