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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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 Posted: Tue Aug 30, 2011 5:50 pm Post subject: Custom manifold for 951 intercooler |
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I am going to mount a 951 intercooler on my 931 (with cis).
What will be better, cut an original manifold an modifie it or build a new manifold ?
I used the search but I can only find custom manifolds for EFI/951 intercooler combination.
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937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller |
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morghen
Joined: 21 Jan 2005
Posts: 9069
Location: Romania
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| Posted: Tue Aug 30, 2011 7:14 pm Post subject: |
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build a new one.
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Supercharger and EFI kits
https://www.the924.com |
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Shurick
Joined: 15 May 2005
Posts: 524
Location: Russia, Moscow.
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Wed Aug 31, 2011 12:14 am Post subject: |
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Or this one with stock inlet manifold http://picasaweb.google.com/111470514161382354517/Intercooled931InNZ?gsessionid=prwLNFSQvZYPqc5CoFQleA
Consensus is that a custom intake manifold will work best if you want to shorten/improve the line between the 951 FMIC and cylinders
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Wed Aug 31, 2011 12:53 am Post subject: |
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Flosho's custom built approach (from this thread):
-nick's modified / customized approach (from this thread):
My modified / customized approach (from this thread):
There are several others documented here on the forum, which you should be able to dig up with some searching...
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erstwhile owner of just about every 924 variant ever made |
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WEASEL149
Joined: 19 Aug 2005
Posts: 595
Location: UK, Sheffield
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| Posted: Thu Sep 01, 2011 4:16 am Post subject: |
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I like all those approaches.
I do fancy having a go at making one like Ideola's with a spare manifold I have.
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1979 UK 932 |
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Joes924Racer
Joined: 03 Nov 2002
Posts: 11964
Location: Oregon, Denver Colorado native!
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| Posted: Fri Sep 02, 2011 1:24 am Post subject: |
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3 fabbers competing ! awesome now who wants some leverage to say which is best. 
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1979 porsche 924 Na
1980 porsche Turbo 931GT Replica
Have u ever driven a turbo. |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2312
Location: Somerset, UK
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| Posted: Fri Sep 02, 2011 5:45 am Post subject: |
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| WEASEL149 wrote: | I like all those approaches.
I do fancy having a go at making one like Ideola's with a spare manifold I have. |
+1
I have a man lined up already to do this.
Dan, any feedback on this set up?
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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Then www.924board.org/viewtopic.php?t=31252 |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Fri Sep 02, 2011 5:49 am Post subject: |
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Sadly, it's not in use yet, as the Ultra Wide Body project is on the back burner until I complete the Club Sport. But it was fairly easy for my welder to fabricate, and I'm very optimistic about how it will function.
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erstwhile owner of just about every 924 variant ever made |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11732
Location: PacNW
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| Posted: Fri Sep 02, 2011 12:26 pm Post subject: |
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I also like the ideola manifold. . .might move the add-on portion up flush, though.
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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| Posted: Sat Sep 03, 2011 5:23 am Post subject: |
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This one also looks nice and I think the used a stock manaifold, but it is hard to see.
_________________
937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller
Last edited by Dutch924-racer on Sat Sep 03, 2011 5:40 am; edited 1 time in total |
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Sat Sep 03, 2011 5:31 am Post subject: |
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| Rasta Monsta wrote: | | I also like the ideola manifold. . .might move the add-on portion up flush, though. |
If you do that, you'll have to rotate the throttle body 90 degrees and mount it sideways, along with fabbing up a custom throttle body bracket & assembly. With the TB so far forward, the diffuser plenum has to be down on the side of the manifold to avoid interfering with the closed hood, which is much lower that far forward than where the main plenum sits.
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erstwhile owner of just about every 924 variant ever made |
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flosho
Joined: 01 Jul 2004
Posts: 3160
Location: Eau Claire, Wisconsin
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| Posted: Wed Sep 07, 2011 4:07 am Post subject: |
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If anyone wants to pay for it, I'll certainly have my manifold flow tested... 
Otherwise I'm going to wing it - sorta.
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[This Space For Rent] |
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Dutch924-racer
Joined: 23 Jul 2007
Posts: 1081
Location: The Netherlands
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| Posted: Fri Sep 09, 2011 3:26 am Post subject: |
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I also like this one:
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937 trackday car
Series 2 engine
951S turbo and intercooler
Fast road camshaft
Forge recirculation valve + boost controller |
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MillsMotorsport
Joined: 05 Nov 2011
Posts: 28
Location: Melbourne, Australia
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| Posted: Wed Nov 30, 2011 9:04 am Post subject: |
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| Has anyone tried a modified Audi/VW 1.8T inlet manifold and the cyl head flange plate from the 931? I guess the question is, how far apart are inlet ports on both engines? Are they close? Do they line up? |
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