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Who designed the 2 lit engine?
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newbie924  



Joined: 16 Mar 2016
Posts: 102
Location: EUROPE MALTA

PostPosted: Fri Apr 26, 2019 3:56 am    Post subject: Who designed the 2 lit engine? Reply with quote

Is it true that the 2 litre 4 cylinder van engine fitted in the Porsche 924 was originally designed by Mercedes for Audi? Anyone heard or read anything similar?
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2008
Location: Somerset, UK

PostPosted: Fri Apr 26, 2019 6:08 am    Post subject: Reply with quote

DKW engine ..... http://porschecarshistory.com/vw-ea831-engine-for-porsche-924-audi-driver-mag-012015/
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Mike9311  



Joined: 14 Dec 2004
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PostPosted: Fri Apr 26, 2019 6:21 am    Post subject: Reply with quote

not in the best shape but here is the sheet metal valve cover from the mentioned Gremlin version. Exhaust manifold is different on this version

Thanks for that article too


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Mike9311  



Joined: 14 Dec 2004
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PostPosted: Fri Apr 26, 2019 6:52 am    Post subject: Reply with quote


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1980 931 since 1989
1981 Ideola 931 Club Sport
1982 931 Entwicklungsfahrzeug
1979 924 NA M650 Herausnehmbares Dach
1982 931 Red Resurrection - 951 IC
1982 931 parts car / resurrection?
1980 924 NA (R&D lightweight)
1982 931 wana-be GTR race car
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jacobroufa  



Joined: 18 Nov 2016
Posts: 286
Location: Rockford, IL

PostPosted: Fri Apr 26, 2019 7:23 am    Post subject: Reply with quote

Wow, thanks for the cool history lesson! 👍
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2008
Location: Somerset, UK

PostPosted: Fri Apr 26, 2019 4:23 pm    Post subject: Reply with quote

Saying that the 924 has a van engine is equivalent to saying all American muscle cars have pick up truck engines.......there are similar connections.
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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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morghen  



Joined: 21 Jan 2005
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PostPosted: Fri Apr 26, 2019 7:54 pm    Post subject: Reply with quote

Engine block was originally designed by Daimler for a turbo diesel application in the late 50s. VW bought the tooling and rights and from there on everybody buit their own engine on that block. VW for the van, Audi for the saloon, that shady American car as well and also Porsche for the 924.
Sharing the same engine block with all the others, yes but the rest of the 924 engine brothers have nowhere near the performance of the 924 engine.
That is because they are not the same engine
Based on the same block but quite a bit of difference.
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TJC  



Joined: 04 Apr 2010
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Location: Central-ish Arizona, USA

PostPosted: Fri Apr 26, 2019 11:45 pm    Post subject: Reply with quote

Carrera RSR wrote:
Saying that the 924 has a van engine is equivalent to saying all American muscle cars have pick up truck engines.......there are similar connections.


Great analogy!
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Fasteddie313  



Joined: 29 Sep 2013
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PostPosted: Sat Apr 27, 2019 4:29 am    Post subject: Reply with quote

I think people will often brag about putting a ďtruckĒ engine in their car.. Truck engines are good..

Whenever I talk about my 931 not having a Porsche engine I always say itís a Porsche head on a diesel block and crank..

I am quite a modest person so I always have to say ďwell itís not like itís a 911, itís not worth a lot, half of it is vw parts so itís pretty cheap a lot of the timeĒ etc to downplay.. also their is not much sense in explaining my mods because itís just a bunch of technical jargon most wont understand.. I do say it is fast now though and leave it at that..

I donít talk about my cars and things much because I hate to brag but I like to have nice stuff for myself..
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safe  



Joined: 18 Mar 2017
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PostPosted: Sat Apr 27, 2019 7:35 am    Post subject: Reply with quote

Is the N/A cylinder head a Porsche design or is it straight (same ports and valves) from the Audi?
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Goldwolf  



Joined: 25 Jun 2017
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PostPosted: Sat Apr 27, 2019 9:23 am    Post subject: Reply with quote

This is a very good book if you want to get some more info

https://www.amazon.com/gp/product/B0068NFB3O?ref=dbs_p2d_P_R_popup_yes_pony_T1
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morghen  



Joined: 21 Jan 2005
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PostPosted: Sat Apr 27, 2019 9:41 pm    Post subject: Reply with quote

safe wrote:
Is the N/A cylinder head a Porsche design or is it straight (same ports and valves) from the Audi?


Audi head was carburated like the VW LT one as far as i remember.
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safe  



Joined: 18 Mar 2017
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PostPosted: Sat Apr 27, 2019 9:46 pm    Post subject: Reply with quote

Goldwolf wrote:
This is a very good book if you want to get some more info

https://www.amazon.com/gp/product/B0068NFB3O?ref=dbs_p2d_P_R_popup_yes_pony_T1


I actually have that book, now that you made me remember it...
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safe  



Joined: 18 Mar 2017
Posts: 171
Location: Sweden

PostPosted: Sat Apr 27, 2019 9:50 pm    Post subject: Reply with quote

morghen wrote:
safe wrote:
Is the N/A cylinder head a Porsche design or is it straight (same ports and valves) from the Audi?


Audi head was carburated like the VW LT one as far as i remember.


If I read the Brian Long book correctly, the euro 924 engine differs only from the Audi 100 in that the 924 has k-jet and the Audi carbs AND adjustable lifters instead of shims. Same valve size, same compression.
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newbie924  



Joined: 16 Mar 2016
Posts: 102
Location: EUROPE MALTA

PostPosted: Sun Apr 28, 2019 7:48 pm    Post subject: Reply with quote

Carrera RSR wrote:
Saying that the 924 has a van engine is equivalent to saying all American muscle cars have pick up truck engines.......there are similar connections.


I am being rather sarcastic saying that the 924 has a van engine,,, but that is what is said... even the GT40 has a van engine as far as Im informed.
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