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Old 04-01-2016, 03:00 PM   #11
Ben-Auto-Design
 
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Join Date: Oct 2014
Location: French Riviera
Posts: 827
Thanks for the advice

I just received an e-mail saying that IPD's mailbox is full, so they didn't receive my mail... we'll see Monday.


My main goal was to make a plenum that easily drops in place of the old one, without complex intake tube, stretched boots and a almost factory look.
I didn't like the 911 plenum solution, even is it's the cheaper and that it still gives result.

For the intake tube, I don't think I will include it in a kit (unless people really want to, I can figure out a way) as it would just add complexity for me (waiting for more deliveries that might be lost... like what happened with the ball bearing for my shifters).
Two of these:
US 3" to 3 1 8" 76mm 80mm Silicone 90 Degree Elbow Reducer Pipe Hose Red | eBay
+
one of these:
3" 76mm 15deg Aluminum Turbo Intercooler Pipe Piping Tube Tubing L 610mm | eBay
Will make a perfect intake tube! that's what I use:

EDIT: I've just checked, I can have that cheaper if I have at least 10 people.

As you said, the benefit with my plenum is the inside radius, I can't have them smoother!

I first went to the Y shape because the 3D printed part wasn't stiff enough in the version I tested (but still perform perfectly!).

For the 987.1, I think the use the same dimension as the 986 ? And the 987.2 is too big for me :/

Now, I will work on figuring out how to make it out of aluminum (the fittings, small details that will make it easier to produce etc...) and how to make the 3D printed part stiffer without the Y shape.
In case IPD answer negatively.

If you would be interested in getting one, PM me so I can see how many are interested

Ben.
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Ben-Auto-Design : Performance parts for 9X6 / 9X7
1982 928 S Euro

Last edited by Ben006; 04-01-2016 at 04:22 PM.
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