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newbie924
Joined: 16 Mar 2016
Posts: 102
Location: EUROPE MALTA
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 Posted: Fri Apr 26, 2019 4:56 am Post subject: Who designed the 2 lit engine? |
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| 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: 2146
Location: Somerset, UK
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| Posted: Fri Apr 26, 2019 7:08 am Post subject: |
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DKW engine ..... http://porschecarshistory.com/vw-ea831-engine-for-porsche-924-audi-driver-mag-012015/
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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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Mike9311
Joined: 14 Dec 2004
Posts: 1035
Location: Chicago-ish
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| Posted: Fri Apr 26, 2019 7:21 am Post subject: |
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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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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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Mike9311
Joined: 14 Dec 2004
Posts: 1035
Location: Chicago-ish
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| Posted: Fri Apr 26, 2019 7:52 am Post subject: |
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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: 320
Location: Rockford, IL
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| Posted: Fri Apr 26, 2019 8:23 am Post subject: |
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Wow, thanks for the cool history lesson! 👍
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1980 Porsche 931
1981 Porsche 924 Weissach |
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Carrera RSR
Joined: 08 Jan 2010
Posts: 2146
Location: Somerset, UK
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| Posted: Fri Apr 26, 2019 5:23 pm Post subject: |
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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
Posts: 8310
Location: Romania
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| Posted: Fri Apr 26, 2019 8:54 pm Post subject: |
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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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SUPERCHARGED Ruby-sh 924 |
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TJC
Joined: 04 Apr 2010
Posts: 781
Location: Central-ish Arizona, USA
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| Posted: Sat Apr 27, 2019 12:45 am Post subject: |
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| 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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'95 BMW 318i/5 ..."Pearl"
'80 Porsche 924 Turbo..."Pogo"
'81 Porsche 924 Turbo...Parting!
'87 Porsche 944 NA... "Liebchen"
'02 Porsche Boxster..."Sunbeam"
Still on the Prowl!
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Fasteddie313
Joined: 29 Sep 2013
Posts: 2161
Location: MI
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| Posted: Sat Apr 27, 2019 5:29 am Post subject: |
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I think people will often brag about putting a “truck” engine in their car.. Truck engines are good..
Whenever I talk about my 931 not having a Porsche engine I always say it’s a Porsche head on a diesel block and crank..
I am quite a modest person so I always have to say “well it’s not like it’s a 911, it’s not worth a lot, half of it is vw parts so it’s pretty cheap a lot of the time” etc to downplay.. also their is not much sense in explaining my mods because it’s just a bunch of technical jargon most wont understand.. I do say it is fast now though and leave it at that..
I don’t 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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80 Turbo - Slightly Modified |
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safe
Joined: 18 Mar 2017
Posts: 227
Location: Sweden
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| Posted: Sat Apr 27, 2019 8:35 am Post subject: |
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| 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
Posts: 228
Location: Athens,GA
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morghen
Joined: 21 Jan 2005
Posts: 8310
Location: Romania
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| Posted: Sat Apr 27, 2019 10:41 pm Post subject: |
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| 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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SUPERCHARGED Ruby-sh 924 |
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safe
Joined: 18 Mar 2017
Posts: 227
Location: Sweden
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| Posted: Sat Apr 27, 2019 10:46 pm Post subject: |
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I actually have that book, now that you made me remember it... |
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safe
Joined: 18 Mar 2017
Posts: 227
Location: Sweden
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| Posted: Sat Apr 27, 2019 10:50 pm Post subject: |
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| 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
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| Posted: Sun Apr 28, 2019 8:48 pm Post subject: |
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| 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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