Flanges will need to be milled after welding so thats $60 to $75 ontop of getting a fabricator to weld it up just if anyone was trying to price a setup like this up.

Very nice!!

I am actually in the process of making my own 20valve quads fit my Sr20ve head. (I have been borrowing a manifold up till now)

I have been a bit lazy in working out the flange for the quads, I am still going to use the standard head flange and injector bosses, Just run pipes from there to the quads.

SO... Im am keen in one of the flanges for the quad's side, or I will pay you for the drawing and get it cut myself here in Sydney.

do you have a wiring lume?

Another member has requested to have a flange manufactured to make a manifold which will allow him to run quad throttle bodies. He has agreed for me to mention this to see if anyone else was interested in a set. I’ve had this waiting for over a month now so I really need to get the ball rolling.

There are two flanges to be made up, A-series and 4AGE TB flanges. This will allow you to build your manifold on a budget and you could basically do it bit by bit. You can also design your own manifold from approach angle to runner length and so on.

You may also have the opportunity to design a long runner setup with staged injectors but that’s up to you to investigate.

I think any experienced fabricator can assist you with fabricating the runners. He can get achieve this fairly easily, there are many ways to skin a cat so to speak. You could use straight CHS and slice and split the tube then tig some patches into place, or get a hold of some tapered tube and go from there.

Here are some pictures to help you decide (the last manifold is at 22 degrees, around about the same angle as the roof of the GX and other oval port variants). Let me know if you are interested, the more the merrier. I can give a price once we have solid numbers.

Material: Alloy
Thickness: 10mm
Precision Cut

What else will you need?
- 4AGE 20v Throttle Bodies.
- Aluminium hollow section or tapered pipe for runners.
- A decent fabricator (some money to pay the fabricator).
- Tap/thread the holes that the throttle bodies screw into.

Send me a PM or voice interest here.

I am also keen to help anyone else fitting quad throttle bodies to their A-series, send me a PM. I may have what you need right here

Attach file:

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  4AGE Throttle Bodies.jpg (138.20 KB)


  A series + 20v 4AGE Flanges.png (27.59 KB)


  Long runner 5degree angle.jpg (169.15 KB)


  Short Runner 22degree Angle.jpg (198.78 KB)


  7952_4e02c2789e606.jpg (82.25 KB)