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GTR/GTP drysump pump - search

 
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Mikko  



Joined: 02 Jun 2017
Posts: 8
Location: Finland, Helsinki area

PostPosted: Tue Oct 17, 2017 7:52 pm    Post subject: GTR/GTP drysump pump - search Reply with quote

Hi,

I´ve been trying to find the correct part to add an original 924GTR/GTP drysump oil pump system to my engine, but haven´t yet had much luck with this. I know that almost every part connected to these cars a N/A, but during my searches I have found a few clues. If someone knows better or has additional pictures regarding the pump assembly I would be glad to have those

So far it seems that the original pump is propably built from two different oil pumps sourced from Porsche/VAG parts bin. The pump itself seems to have two sections a scavenge pump and a pressure pump. The scavenge section looks to be based on Porsche 928 oil pump (flange and driving shaft look the same), but it is then inserted to a casting which houses a second pump. This pump must be the pressure pump, but so far I have not found where its from.. The 930 scavenge pump looks a bit similar as the pressure pump in this system, but there are differencies. also the 911 sportomatic external oil pump seems to be a dead end.

I am able to make aluminium castings, but the problem is that second pump.. Maybe, if someone has a photo showing the back of the pump that could solve this problem?

Thanks in advance,

Mikko

https://drive.google.com/open?id=1m2HCp2mq2RWKxaMzzI0wGDjdUw3Pl4h21g

https://drive.google.com/open?id=1CY9LWIo-ZRJ1NMLoFQMsnieUup2wa_vojg

928 pump (don´t mind the green highlight, picture is sourced from web)

https://drive.google.com/open?id=1m-QQK_mp5_JAuYu-KwuJVbpX9Cyd2Blo-g
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Paulyy  



Joined: 05 May 2014
Posts: 87
Location: Melbourne

PostPosted: Wed Oct 18, 2017 2:35 am    Post subject: Reply with quote

Is there a reason why you want the original pump?

Can't go aftermarket?
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Mikko  



Joined: 02 Jun 2017
Posts: 8
Location: Finland, Helsinki area

PostPosted: Fri Oct 20, 2017 5:18 pm    Post subject: Reply with quote

Hi Paulyy,

I propably need to get an aftermarket solution and most likely these new ones are also far better in performance.

But, if the pump would be somewhat easy to build I would like it better. My car is quite modified as is and it would be nice to have a feeling that the parts on it are also not something just bought off the shelf.

Br,

Mikko
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Paulyy  



Joined: 05 May 2014
Posts: 87
Location: Melbourne

PostPosted: Fri Oct 20, 2017 5:34 pm    Post subject: Reply with quote

There's no real problem with getting an aftermarket oil pump. A lot of race cars use them with out issues.
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Cédric  



Joined: 27 Aug 2004
Posts: 1609
Location: Sweden

PostPosted: Fri Oct 20, 2017 5:51 pm    Post subject: Reply with quote

Have you talked to Mattias Aronsson who built a GTS FIA replica, he also sells reproduction of parts. If you want i can send you his contact info
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Mikko  



Joined: 02 Jun 2017
Posts: 8
Location: Finland, Helsinki area

PostPosted: Mon Oct 23, 2017 12:35 am    Post subject: Reply with quote

Hi Cèdric, no I haven't. Please, if you have his contacts I would like to have it. Was he the guy who did the Gtr rallycar replica?

Br, Mikko
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Cédric  



Joined: 27 Aug 2004
Posts: 1609
Location: Sweden

PostPosted: Mon Oct 23, 2017 5:12 am    Post subject: Reply with quote

Pm sent!
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http://www.garaget.org/show.php?car=211
´80 924 Turbo
http://www.garaget.org/?car=160275
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Shurick  



Joined: 15 May 2005
Posts: 475
Location: Russia, Moscow.

PostPosted: Tue Oct 24, 2017 7:28 pm    Post subject: Reply with quote

It looks like external oil pump was used only to scavenge oil.


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'79 931 -- intercooled K26-3060-6.10 turbo @ 1.2 bar, EFI+EDIS, 951S brakes, stripped interior, 951 look.
'86 924S -- R.I.P.
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