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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Sat May 04, 2019 4:44 pm    Post subject: IPD Plenum fitting + AOS ---REPLACEMENT -- Reply with quote

Hi all, as ill be changing my plenum to an IPD and a few mods etc, was thinking maybe to fit a new AOS..

What sort of time scale is it to fit one and what do i need to strip down etc...

Cheers...

J
 



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MisterCorn
Dijon


Joined: 08 Jan 2011
Posts: 7333
Location: Nottingham, England

2004 Porsche 996 Turbo

PostPosted: Sat May 04, 2019 6:29 pm    Post subject: Reply with quote

The plenum chamber end is easy to get at. The AOS will most likely be a different matter.

MC
 
  
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Sy
Spa-Francorchamps


Joined: 24 May 2010
Posts: 263



PostPosted: Mon May 06, 2019 6:32 am    Post subject: Reply with quote

Would be very interested at the aural changes this kit makes once installed.
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NLW73
Albert Park


Joined: 27 May 2014
Posts: 1556
Location: Yateley


PostPosted: Mon May 06, 2019 10:41 am    Post subject: Reply with quote

it will sound nicer and lots more induction noise but it wont go any quicker.

in fact Wayne Schofield says don't bother with the bigger TB and plenum as it makes a road car worse as you do not spend all day at full throttle like a race car. for race or track cars where you spend a lot more time in the higher RPM and need the additional gas flow fine.

dyno results from Wayne have shown some 20 bhp drop and reduction in torque around the mid range as you lose the exhaust scavenging effect that gives you torque for the road and real world usage.

Wayne is a legend of tuning NA cars so I would be tempted to respect what he says rather than a company like IPD trying to flog products.

you have the parts so fair enough and I would say get the re map to try and make the most of what you have.
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Magic919
Barcelona


Joined: 05 Jun 2013
Posts: 1288
Location: Berkshire


PostPosted: Mon May 06, 2019 11:13 am    Post subject: Reply with quote

I presume OP is ironing out the flat spots.
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Mon May 06, 2019 12:33 pm    Post subject: Reply with quote

Hi, i originally got the Fabspeed Twin Cone for £700 with heavy discount and was contemplating on getting an IPD despite reading of its power gains on rolling road, and one came up for couple hundred quid, was used for a year before owner sold his 997, so i was lucky!!!

As with the AOS, and with age of car. I decided to want to change the AOS as ill be doing the Plenum and Fabspeed!!

Once all bolted on and when i get time ill have to have a rolling road done.

With a 3+3 stainless steel manifold and 200 cell cats, valvetronic back boxes, IPD Plenum and Fabspeed Twin Cone i must get some results frome the car? Bare in mind i had an engine built and its end of running in stages, just need the second oil change and its balls out!!

Also if anyone knows of what tools are needed for the AOS swap??

Cheers guys !!

Thumb

J
 
  
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NLW73
Albert Park


Joined: 27 May 2014
Posts: 1556
Location: Yateley


PostPosted: Mon May 06, 2019 4:59 pm    Post subject: Reply with quote

The most gain you will get from all that is the 200 cell cats. Expect 25-30 bhp with the remap but it won’t be loads

Will sound awesome with those cats and the induction kit
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Clanky
Österreich


Joined: 24 Aug 2012
Posts: 974
Location: Scotland

2007 Porsche 997 Turbo

PostPosted: Mon May 06, 2019 6:38 pm    Post subject: Reply with quote

I did an AOS on a 996, & it was a ballache to do. (Imagine papering your lobby walls through your letter box)
All in, it took me about 10 hours, but that was before I had the lift.

There are two different versions & mine was the one without the mini bellows on the bottom.

I used a ball end allen key, (6mm I think) Socket allen keys with a 1/4 drive ratchet & extensions to allow access from above.
I also had to modify a 10mm socket to allow access to one of the bolts which is partially overlapped by something. The socket was cut down at the open end, & used a grinder to taper the top end to make it a cone shape.

I also used a coolant clamp tool to remove the hose clips.

Like this: https://www.amazon.co.uk/Clamp-Flexible-Reach-Plier-Repairing/dp/B07N69TGD8/ref=asc_df_B07N69TGD8/?tag=googshopuk-21&linkCode=df0&hvadid=344066719117&hvpos=1o3&hvnetw=g&hvrand=7774863619604614964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9046844&hvtargid=pla-699115112091&psc=1

Something else useful was a cheap USB borescope camera attached to a laptop which allowed me to look down the back of the engine where I was working as most of it is done by feel.

I might have done a write up on it, but not sure if it's on here or not.
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Mon May 06, 2019 7:37 pm    Post subject: Reply with quote

Clanky wrote:
I did an AOS on a 996, & it was a ballache to do. (Imagine papering your lobby walls through your letter box)
All in, it took me about 10 hours, but that was before I had the lift.

There are two different versions & mine was the one without the mini bellows on the bottom.

I used a ball end allen key, (6mm I think) Socket allen keys with a 1/4 drive ratchet & extensions to allow access from above.
I also had to modify a 10mm socket to allow access to one of the bolts which is partially overlapped by something. The socket was cut down at the open end, & used a grinder to taper the top end to make it a cone shape.

I also used a coolant clamp tool to remove the hose clips.

Like this: https://www.amazon.co.uk/Clamp-Flexible-Reach-Plier-Repairing/dp/B07N69TGD8/ref=asc_df_B07N69TGD8/?tag=googshopuk-21&linkCode=df0&hvadid=344066719117&hvpos=1o3&hvnetw=g&hvrand=7774863619604614964&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9046844&hvtargid=pla-699115112091&psc=1

Something else useful was a cheap USB borescope camera attached to a laptop which allowed me to look down the back of the engine where I was working as most of it is done by feel.

I might have done a write up on it, but not sure if it's on here or not.


I think the 997 AOS is different to thecone your describing, as with clamps on the AOS unit i think is squeeze tab twist and pull off..

Cheers

J
 
  
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MarkGolf
Imola


Joined: 13 Nov 2012
Posts: 796
Location: S.London


PostPosted: Tue May 07, 2019 8:17 am    Post subject: Reply with quote

AOS is easy once you remove the throttle body. Dead easy.

I did it recently, you can see pics in my thread, link in my sig.
_________________
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1991 Mercedes 500SL
1979 Mercedes 280e
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Tue May 07, 2019 9:17 am    Post subject: Reply with quote

MarkGolf wrote:
AOS is easy once you remove the throttle body. Dead easy.

I did it recently, you can see pics in my thread, link in my sig.


Ill check that out !! Also what sort of prices are the AOS ?

Cheers

J
 
  
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MarkGolf
Imola


Joined: 13 Nov 2012
Posts: 796
Location: S.London


PostPosted: Tue May 07, 2019 11:42 am    Post subject: Reply with quote

I paid £97 thumbsup
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Current fleet
1991 964 Carrera
2005 997 Carrera S
2008 957 Cayenne GTS
2003 Boxster 2.7
1994 Eunos Roadster S Special Turbo 270bhp!
1991 Mercedes 500SL
1979 Mercedes 280e
1995 VW Golf VR6 3.0
 
  
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Tue May 07, 2019 12:01 pm    Post subject: Reply with quote

MarkGolf wrote:
I paid £97 thumbsup


If ya dont mind me asking, where from?

Cheers

J
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7593
Location: Brighton


PostPosted: Tue May 07, 2019 6:44 pm    Post subject: Reply with quote

As per PM .. if you have an early 2005 engine then its a bit different ..

https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/09-ENGINE-Air_Oil_Separator/09-ENGINE-Air_Oil_Separator.htm

It changed on the 2006 model which is actually the last part of 2005 .
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My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Tue May 07, 2019 7:18 pm    Post subject: Reply with quote

deMort wrote:
As per PM .. if you have an early 2005 engine then its a bit different ..

https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/09-ENGINE-Air_Oil_Separator/09-ENGINE-Air_Oil_Separator.htm

It changed on the 2006 model which is actually the last part of 2005 .


PM received and replied!! Gonna go to me garage and take a few pix and see if its the later one to the 996 type!!...

Cheers

J
 
  
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Tue May 07, 2019 7:35 pm    Post subject: Reply with quote

-- 997 -- wrote:
deMort wrote:
As per PM .. if you have an early 2005 engine then its a bit different ..

https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/09-ENGINE-Air_Oil_Separator/09-ENGINE-Air_Oil_Separator.htm

It changed on the 2006 model which is actually the last part of 2005 .


PM received and replied!! Gonna go to me garage and take a few pix and see if its the later one to the 996 type!!...

Cheers

J
 



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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7593
Location: Brighton


PostPosted: Tue May 07, 2019 7:44 pm    Post subject: Reply with quote

That young man is the later type AOS .. replace as per the original instructions .

you have had a replacement engine at some point in its life .


Very Happy .. happy !
_________________
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My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Tue May 07, 2019 7:49 pm    Post subject: Reply with quote

deMort wrote:
That young man is the later type AOS .. replace as per the original instructions .

you have had a replacement engine at some point in its life .


Very Happy .. happy !


Cheers demort Thumb the engine is the original, ive had the engine built 1600 miles ago regards to bore score etc but as for replacement engine i have no idea to be honest! I have no documentation apart for a full service stamped book history!! So am in safer plains now. Will go and pick up an AOS tommorow and get some time to rip out bits in the way!!

Cheers

J
 
  
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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Wed May 08, 2019 8:31 am    Post subject: Reply with quote

Ok, this is the AOS given from Porsche! I presume its the same as the one in the picture i posted above of my current one on me car!!

Cheers..

J
 



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-- 997 --
Barcelona


Joined: 11 Jun 2015
Posts: 1275



PostPosted: Thu May 16, 2019 3:24 pm    Post subject: Reply with quote

Hi all, ok In the pictures below is of the Aircon pump and there are torx bolts, is it those 2 plus 1 at the rear to move the pump out of the way? Total of 3 bolts?

Also do i have to take the rear manifold pipe off? (Tuning pipe)

And to take the small thin pipes (2 of them) off do i pull off?

Ive taken off the following bits which took me 20 mins.

Airfilter housing
Serpentine belt
Plenum and throttlebody
All pipes disconnected from the AOS apart from 2 thin pipes

So i stopped at the Aircon pump, and had to pickup my boys from 6th form anyway so couldnt carry on!!!

Cheers

J
 



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