Large Tube Runners
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Large Tube Runners
Is any one running a Large Tube Runner with Nitrous Port???
Re: Large Tube Runners
You might have better luck on the Power Adder forum...
https://www.thirdgen.org/forums/power-adder/
Someone used to sell a set of large tube runners with the bosses for fogger nozzles already welded in. I've even seen a complete NOS kit on Ebay that supposedly came with the runners. They're out there, just not extremely common.
https://www.thirdgen.org/forums/power-adder/
Someone used to sell a set of large tube runners with the bosses for fogger nozzles already welded in. I've even seen a complete NOS kit on Ebay that supposedly came with the runners. They're out there, just not extremely common.
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Re: Large Tube Runners
You might have better luck on the Power Adder forum...
https://www.thirdgen.org/forums/power-adder/
Someone used to sell a set of large tube runners with the bosses for fogger nozzles already welded in. I've even seen a complete NOS kit on Ebay that supposedly came with the runners. They're out there, just not extremely common.
https://www.thirdgen.org/forums/power-adder/
Someone used to sell a set of large tube runners with the bosses for fogger nozzles already welded in. I've even seen a complete NOS kit on Ebay that supposedly came with the runners. They're out there, just not extremely common.
Do we know who exactly used to sell these runners?
I haven't had much luck in the Power Adder Forum...
Re: Large Tube Runners
You might try Street and Performance too... They carry a ton of oddball EFI junk. If you can slog through their goofy PDF catalog you might find something, but you can bet it's overpriced.
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Re: Large Tube Runners
Where are all the Nitrous TPI Setup's ???
Re: Large Tube Runners

In the past? Send some emails... Pick up your phone and make some calls... NOS, Arizona Speed & Marine, TPIS, Street & Performance, etc... Go get the scoop from the source.
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Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Re: Large Tube Runners
Bump for the Direct Port LTR Setup...
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Re: Large Tube Runners
Maybe I should change the title of this Thread....
Junior Member
Joined: Mar 2012
Posts: 36
Likes: 0
From: Quad Cities, IA
Car: 87 Camaro IROC-Z 5.7 TPI
Engine: 350 aka 5.7L Tuned Port Injection
Transmission: 700-R4
Axle/Gears: 3.27 posi
Re: Large Tube Runners
im sure you could run nitrous on a first tpi setup. but you would need to fabricate runners or go the easy route with a nitrous plate. an ls1 plate would probably fit the first throttle body. if not one would be very cheap and easy to make.
Supreme Member
Joined: Apr 2010
Posts: 4,337
Likes: 29
From: Aurora, OR
Car: 87 IROC Z28
Engine: 355 cid TPI
Transmission: Custom Built 700R4 w/3,500 stall
Axle/Gears: QP fab 9" 3.70 Truetrac
Re: Large Tube Runners
You could get creative and have nozzle bungs welded into any set of runners. The photo in the swapper's guide looks like someone did just that with a set of LTRs from TPIS. Take a look at the things that 1989GTATransAm is doing. He's definitely not afraid to get creative.
Junior Member
Joined: Mar 2012
Posts: 36
Likes: 0
From: Quad Cities, IA
Car: 87 Camaro IROC-Z 5.7 TPI
Engine: 350 aka 5.7L Tuned Port Injection
Transmission: 700-R4
Axle/Gears: 3.27 posi
Re: Large Tube Runners
Do you believe that welding the runners would be more effective than a plate?
Joined: Sep 2003
Posts: 25,896
Likes: 430
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Large Tube Runners
50-80 bucks a wet nozzle, 8 nozzles + all the lines and distribution blocks.... Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Thread Starter
Joined: Jun 2009
Posts: 863
Likes: 33
From: Bellflower, CA
Car: 89 Formula, 85 Trans AM & 91 Bird
Engine: 5.0 CARB, 5.7L TPI & 3.1L V6
Transmission: T-5/700R4/700R4
Axle/Gears: 9 Bolt & 10 Bolt X2
Re: Large Tube Runners
Direct Port Nitrous users unite!!!
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