Porting plenum
Thread Starter
Joined: Jul 1999
Posts: 200
Likes: 3
From: Chesterland, Oh
Car: 92 Trans Am
Engine: 350 tpi
Transmission: 5 Speed
Axle/Gears: 3.42
Porting plenum
Can I port my plenum with my hand drill and the correct bit, or do I have to buy a Dremel Multipro? Do you think the drill would be to awkward?
Junior Member
Joined: Jan 2000
Posts: 50
Likes: 0
From: Chicago
you should be alright with what you have.
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90 Iroc G92 LB9
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Dual Cats, 3.42 B/W, 5spd, K&N, Homemade Ram Air, TPIS Airfoil, 160 Thermo, Mobil 1 Synthetic Oil, Dexco Anti Freeze
3rd Gen Web Site
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90 Iroc G92 LB9
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Dual Cats, 3.42 B/W, 5spd, K&N, Homemade Ram Air, TPIS Airfoil, 160 Thermo, Mobil 1 Synthetic Oil, Dexco Anti Freeze
3rd Gen Web Site
Supreme Member
Joined: Jul 1999
Posts: 2,767
Likes: 2
From: Vereinigten Staaten
Car: Take
Engine: Your
Transmission: Pick
I used a "rasp" type drill bit and a drill (the ones we use for GM "knock-outs" to cut down the "walls" right behind the throttle blades and a dremmel to gasket match the runners. You should be OK. I am currently writing a "tech" article including pics. Stay tuned at the link below. Later.
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"I used to have a handle on life, but then I used it as a plunger and broke it" -The Wave
ASE Master Tech + L1
Savannah, GA
'87 Trans Am-K&N,Cold air induction, SSM SFC, Boxed LCAs, 8mm Accel wires, Flowmaster, 16" GTA rims.
'97 Bonneville SSE
If you live in Southeastern US, check us out!
South East Thirdgen
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"I used to have a handle on life, but then I used it as a plunger and broke it" -The Wave
ASE Master Tech + L1
Savannah, GA
'87 Trans Am-K&N,Cold air induction, SSM SFC, Boxed LCAs, 8mm Accel wires, Flowmaster, 16" GTA rims.
'97 Bonneville SSE
If you live in Southeastern US, check us out!
South East Thirdgen
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Originally posted by GMTech:
I am currently writing a "tech" article including pics. Stay tuned at the link below. Later.
I am currently writing a "tech" article including pics. Stay tuned at the link below. Later.
Feel free to use anything you can from the following file: Plenum Porting.pdf
I have a few more photos than appear in the article, if you need anything else. I can email *.JPGs of the photos in the file as well.
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Later,
Vader
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"Make Me Bad"
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Last edited by Vader; Mar 31, 2018 at 05:10 PM. Reason: Updated Links
Senior Member
Joined: Jul 1999
Posts: 900
Likes: 1
From: Haslett, MI
Car: 1984 Trans Am WS6
Engine: Minirammed 385, 396 RWHP
Transmission: T56
Axle/Gears: 3.73 Moser 12-bolt
I'll port it for you for sixty bucks.
See the TPI project notes at: http://www.isthq.com/~dan/fcar.html
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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,
5-point racing harness, Koni struts, 11-inch rear disks,Spohn Adj. torque arm,
Ported 305 heads w/1.94"intake valves, Comp Cams XE262H, Griffen alum. radiator,
Speed-sensitive steering conversion, underdrive pulleys, Crane Hi-6 & more. 1.05g skidpad verified.
New best E/T! 14.400 at 98.6 MPH in 88 degree air at Stanton, Michigan.
See the TPI project notes at: http://www.isthq.com/~dan/fcar.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,
5-point racing harness, Koni struts, 11-inch rear disks,Spohn Adj. torque arm,
Ported 305 heads w/1.94"intake valves, Comp Cams XE262H, Griffen alum. radiator,
Speed-sensitive steering conversion, underdrive pulleys, Crane Hi-6 & more. 1.05g skidpad verified.
New best E/T! 14.400 at 98.6 MPH in 88 degree air at Stanton, Michigan.
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