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Old 03-28-2019, 04:23 PM   #441
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Here is the complete kit :


8 left



Ben
To clarify does this kit use the original TB (74mm)? How much for the kit in dollars ($) shipped?

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Old 03-29-2019, 04:23 AM   #442
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It does use the 74mm throttle body, which is not the original 986 TB (68mm).
Price with shipping to the US in USD is $540.
Price is based on 450Ä base price, and change rate change everyday (and paypal has its own rates...) so $540 is an indication.

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Old 04-09-2019, 04:15 PM   #443
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Our engines don't work like that. Our engines pull air into it, that's the force acting upon the direction and travel path of the air. Pedro blows air into the Distribution T, which will hit the back of the Distribution T and the wedge would have a nice impact on the way the air travels. Our engines pull air in and it rides along the side of the Distribution T. That's why the Y shape is very important and having the wedge is not.
Holy Mother of God! I was chastised over this post and 1 1/2 years later the great Jake Raby says the same thing I did about the air being pulled along the short side radius. The Y shape is the most important part of the piece, even according to Jake Raby.

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No, it doesn't.

The short side radius of the IPD is where the trick is. You can't develop an intake component using a shop vac. If you do, you'll never see that what you are doing is hurting performance, or doing absolutely nothing!

With a pitot tube inserted in the intake where the splitter is installed in this photo will give zero, or very, very little velocity on the flow bench. Why? Because the air is pulled to the short side radius.

Yes, I have direct experience with this.
https://rennlist.com/forums/996-forum/944002-alternative-to-ipd-plenum-2.html#post13767949

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Old 05-12-2019, 05:05 AM   #444
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Is there a similar solution for the 2.5 engine?
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Old 05-12-2019, 08:48 AM   #445
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Nope, not from me yet :/

I should do a before/after dyno comparison soon !

Well... when my car comes back from the lift and passes inspection ...


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Old 05-23-2019, 03:14 AM   #446
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so 4 years on and it still isn't available to buy or have any dyno results etc? crazy
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Old 05-23-2019, 04:48 AM   #447
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so 4 years on and it still isn't available to buy or have any dyno results etc? crazy
It's only crazy if you think this is what he does full time, for a living.
It's not. He spends the time (and money) here and there when he can. Which isn't a lot, since he's also a full time student.
His work is absolutely first rate, and he's been very helpful to the community.

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Old 05-23-2019, 08:31 AM   #448
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so 4 years on and it still isn't available to buy or have any dyno results etc? crazy
Instead of denigrating the efforts of Ben, why not offer some suggestions of how to improve his product or development process ?
We need more talented, motivated and generous members like Ben to support the Boxster. with after market products. Snarky comments are unlikely to encourage such helpful members.
Big companies are not going to create such products for such a small, declining market so THANK YOU BEN !
Yes, I was one of his first customers and the product works perfectly and was great value.
So I am a grateful, biased user .
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Old 05-23-2019, 08:35 AM   #449
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Big companies are not going to create such products for such a small, declining market so THANK YOU BEN !
THIS. a hundred times this.

I've got Ben's shifter, and I'm looking forward to his improvement to it becoming available.
I'll likely be lined-up when the plenum is available as well.


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Old 05-23-2019, 08:40 AM   #450
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What they said. Benís customer service alone has me sold on his products

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THIS. a hundred times this.

I've got Ben's shifter, and I'm looking forward to his improvement to it becoming available.
I'll likely be lined-up when the plenum is available as well.


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Old 05-23-2019, 11:37 AM   #451
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Thanks guys for the support
I don't think he was serious, but I think I made pretty good progress in 4 years !
The plenums are available (and carbon fiber!), there's two coming in the US with Uniwerks Design !

I'm not a student anymore, I moved back home and I'm a full time Porsche tech, and doing my stuff the rest of the time

There are three plenums left, two that will arrive at Uniwerks Design soon, and one here with me.
Ten more are coming. I'll try a new thing for the AOS tube soon.

I found a guy to dyno the car... now the hard part is to find the time !

Talking of plenum, I recently made one for my 928 !
It's just a prototype for now, but looking pretty good already !


Thanks again to all of you


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Old 05-26-2019, 03:09 AM   #452
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Hi Ben,

a little idea for improvement. The both ends of the T that lead to the hoses should have a little hump, so that the hoses can't get of the tube.

Another question: how is the T formed inside? Is there an air guidance?

Where are you located in France? I saw your video driving on Auneau Du Rin. If you live near there maybe i can help with searching a dyno near the border in Germany.

Regards, Markus
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Old 05-28-2019, 11:11 AM   #453
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The previous 3D printed ones had the small humps you describe, but after trying with and without, it doesn't do much. They were good to help the porous 3D printed parts with sealing, but on the CF part, there is no problem at all

The inside of the plenum is a regular T shape, with larger radiuses to improve flow.
I didn't use a Y shape for various reason.

I live in the south, on the Riviera
Which video was it ? Because I never went (unfortunately for me ^^) on Anneau du Rhin.

I go back on track in two days ! Hopefully the gopro stays in place more than 5 minutes this time ! ^^
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Old 05-29-2019, 04:14 AM   #454
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Quote:
Originally Posted by maytag View Post
It's only crazy if you think this is what he does full time, for a living.
It's not. He spends the time (and money) here and there when he can. Which isn't a lot, since he's also a full time student.
His work is absolutely first rate, and he's been very helpful to the community.

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ah ok i did not know about his background. I clicked on his website, and given that he has a company name and a proper website, the natural conclusion was that this was a company doing this. apologies for any offence, Ben.
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Old 05-29-2019, 06:58 AM   #455
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"i can help with searching a dyno near the border in Germany."
Well done Markus ! That is the best of this Forum - helping each other :-).
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Old 05-30-2019, 11:29 AM   #456
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ah ok i did not know about his background. I clicked on his website, and given that he has a company name and a proper website, the natural conclusion was that this was a company doing this. apologies for any offence, Ben.
No worries
I do have a company, but I still work 8am to 6pm as a Porsche tech, so I can only work at making my stuff around an hour per day... that's not enough to do everything I want unfortunately :/

And add to that three project cars and time to socialize and take care of my girlfriend ^^

It's a fulfilled life ahah

Today I finally got the chance to take the Boxster on the track !
This time I came prepared and had no oil problem, so I enjoyed four 20minutes sessions of fast driving ! Keeping the engine below 6000rpm, I still kept up with way faster cars : 981S, 718, 718GTS, E46 M3 !
A wonderful day !
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Old 05-30-2019, 11:39 AM   #457
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Originally Posted by Ben006 View Post
No worries

I do have a company, but I still work 8am to 6pm as a Porsche tech, so I can only work at making my stuff around an hour per day... that's not enough to do everything I want unfortunately :/



And add to that three project cars and time to socialize and take care of my girlfriend ^^



It's a fulfilled life ahah



Today I finally got the chance to take the Boxster on the track !

This time I came prepared and had no oil problem, so I enjoyed four 20minutes sessions of fast driving ! Keeping the engine below 6000rpm, I still kept up with way faster cars : 981S, 718, 718GTS, E46 M3 !

A wonderful day !
Which track did you go to, Ben?

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Old 05-30-2019, 12:30 PM   #458
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A small track in the south of France.
"Le Luc"

I'll post a video
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Old 06-05-2019, 12:15 PM   #459
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Hi guys !

The first two plenum have finally landed in the US !
Available here : https://uniwerksdesign.com/product/porsche-986-carbon-fiber-intake-plenum/

There're ten more coming by early July.

I have to do an oil change on the Boxster and I'm off to the dyno, I contacted the guys and we agreed on how to do it.

I'll do two passes (after driving for half an hour, so everything is already up to temp), swap the plenums on the dyno, then do two other passes. That's the most accurate way of doing it without spending a full day on the dyno...

In the future I'll get it tuned too, we might see a good increase in HP there too !


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Old 06-06-2019, 01:44 PM   #460
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Originally Posted by Ben006 View Post
Hi guys !

The first two plenum have finally landed in the US !
Available here : https://uniwerksdesign.com/product/porsche-986-carbon-fiber-intake-plenum/

There're ten more coming by early July.

I have to do an oil change on the Boxster and I'm off to the dyno, I contacted the guys and we agreed on how to do it.

I'll do two passes (after driving for half an hour, so everything is already up to temp), swap the plenums on the dyno, then do two other passes. That's the most accurate way of doing it without spending a full day on the dyno...

In the future I'll get it tuned too, we might see a good increase in HP there too !


Ben.
Very nice Ben.
and fairly priced if i might add.
keep the good work.

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