i just want to see what i need to take out thanks.

 

There are alot of guys that posted pictures and srticles about porting the plenum but I think, IMHO, that this guy did a REALLY GREAT job. Here is his site:
http://www.tribal-treasures.com/cars...-port/port.htm

You can see others if you do a search in the TPI section look for "Porting Plenum" and you'll get other sites too.
Good Luck!

 

The third degree writeup definitely covers the basics of what to do on the plenum. Be forewarned, you may have a difficult time doing a quality job without a few tools such as long-shank carbide cutters, short-shank carbide cutters, and sandpaper rolls. I typically spend about ninety minutes on the cutting and grinding phase of each plenum with pneumatic tooling. I then degrease and powerwash the whole casting to remove all abrasives from the plenum. Be sure you do the same thing or you'll eventually jam the gritty sand around the piston rings.

One step that I do which is not obvious is the contour around the EGR port on the floor of the plenum. I recess the EGR port into the floor and sculpt the existing wall into an aerodynamic, low-profile "bump" in order to provide a low-pressure area at the EGR port entrance. I don't have any pictures of this detail, however.

FWIW, Here's a few screenshots you might like to see:

http://www.isthq.com/~dan/graphics/car/efi/plenum.jpg

http://www.isthq.com/~dan/graphics/car/efi/plenum2.jpg

http://www.isthq.com/~dan/graphics/c...tpiplenum1.jpg

http://www.isthq.com/~dan/graphics/c...tpiplenum2.jpg

http://www.isthq.com/~dan/graphics/c...piplenum3s.jpg

http://www.isthq.com/~dan/graphics/car/fcar/tpi1m.jpg

http://www.isthq.com/~dan/efi.html



------------------
Daniel Burk
http://www.isthq.com/~dan/fcar.html
'84 Trans Am WS6/L69
KB SFC, Moser axles, Torsen Diff. PST suspension, Braided stainless brake lines, Koni struts, 11-inch rear disks,Spohn Adj. torque arm,
Ported 305 heads w/1.94"intake valves, Comp Cams XE262H, Griffen alum. radiator,
Turbine Technologies 2500 stall converter, underdrive pulleys, Crane Hi-6 & more.
1.05g skidpad verified.
New best E/T! 14.039 at 100.82 MPH in 41 degree air at Stanton, Michigan.