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CRAZY idea for 924 - TURBO DIESEL!

 
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newman931  



Joined: 25 Oct 2009
Posts: 30
Location: Tennessee, USA

PostPosted: Fri Jan 01, 2010 2:21 am    Post subject: CRAZY idea for 924 - TURBO DIESEL! Reply with quote

For a while I have tried to decide what to do with my 924 turbo.
Was going to make it original, then thought about a racer or a GT.

REALLY I want a reliable, HIGH gas mileage daily driver.
I'm really not sure if this will work...
The 931 motor was made by vw/audi, correct?
So, wouldn't an older VW turbo diesel motor work with the existing transmission? Of course with some mounting and electric modification.
What kind of bell housing fit would have to happen?

Any thoughts??????

Also, I'm gonna part out my 931 engine or sell the whole thing, so if any needs/wants any really good parts or the whole engine, let me know.
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9xx  



Joined: 18 Jun 2006
Posts: 627
Location: Jarvenpaa, Finland

PostPosted: Fri Jan 01, 2010 2:43 am    Post subject: Re: CRAZY idea for 924 - TURBO DIESEL! Reply with quote

newman931 wrote:
The 931 motor was made by vw/audi, correct?


No, they were hand made in Zuffenhausen by Porsche.
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Mikko

All gone: 931 '82 Alpine White, original option "220" G31 with LSD + 3 x 944
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fiat22turbo  



Joined: 18 Jan 2006
Posts: 4040
Location: Portland, OR

PostPosted: Fri Jan 01, 2010 4:14 am    Post subject: Reply with quote

Wasn't the same block used in the Diesel Vanagons?
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Stefan
1979 924 Carrera GTS (clone-ish)
1988 944 Turbo S (Silver Rose)
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ideola  



Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI

PostPosted: Fri Jan 01, 2010 4:33 am    Post subject: Reply with quote

The 2.0L block is in fact the same block used for the diesel VW LT trucks. Not sure if that's the same thing as the Vanagon, thought those were a bit later and a different power plant...
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erstwhile owner of just about every 924 variant ever made
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morghen  



Joined: 21 Jan 2005
Posts: 9102
Location: Romania

PostPosted: Fri Jan 01, 2010 5:34 am    Post subject: Reply with quote

i'm sure you could swap in a 1.9 TDI 150HP Audi unit.
would take alot of work but its doable.
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Supercharger and EFI kits
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bnoon  



Joined: 12 Oct 2009
Posts: 607
Location: West Des Moines, IA USA

PostPosted: Fri Jan 01, 2010 6:57 am    Post subject: Reply with quote

TDI would be the shiz, TD would still rock... then do a bio conversion to run used veggie juice. Ummmmmmm, the smell of french fries.
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'80 924 Turbo - SOLD!
1986 Porsche 944 Turbo - SOLD!
Porscheless
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PORSCHEV  



Joined: 02 Nov 2002
Posts: 1901
Location: Cedar Lake Nova Scotia, Canada

PostPosted: Fri Jan 01, 2010 12:09 pm    Post subject: Reply with quote

I run veggie in my F250...it does NOT smell like french fries It smells like a BBQ!

BTW an audi diesel has been done if you search the conversion section.
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1976 924
5 lug conversion, 17'C2 wheels,custom body work,327 vette engine.

1978-#53 "D" track racer.
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Sat Jan 02, 2010 3:01 am    Post subject: Reply with quote

ideola wrote:
The 2.0L block is in fact the same block used for the diesel VW LT trucks. Not sure if that's the same thing as the Vanagon, thought those were a bit later and a different power plant...


euh.. I'm not really sure... but those engines were petrol engines.
The diesel LT had a quite different engine.

but again, not 100% sure.
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"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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924guy  



Joined: 29 Dec 2003
Posts: 2088
Location: Port St. Lucie, FL

PostPosted: Sat Jan 02, 2010 3:25 am    Post subject: Reply with quote

a 931 in good repair should get you at least 28mpg hwy, and if you go easy, better than 30mpg is generally no problem, which is pretty darngood for a car thats 30 years old...
Ive gotten better than 35mpg in my n/a 2.0.

our new rabbit 5cyl doesnt even do 30 mpg consistently...
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Eric
78 924
82 931 SE "smokey"
99' VehiCross
Y2K Honda Insight
http://www.cardomain.com/id/924Guy
Performance by Pasha
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gegge  



Joined: 27 Jul 2007
Posts: 1124
Location: Sweden

PostPosted: Sat Jan 02, 2010 3:37 am    Post subject: Reply with quote

http://www.924board.org/viewtopic.php?t=24994
http://www.924board.org/viewtopic.php?t=12366

1990s to 2000 D5252T 2460cc Audi TDI 5 cylinder in Volvo 850 and S70/V70 and early S80s. 2.5TDI is just a 1.9TDI with additional cylinder.
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Carl Fredrik Torkildsen

924 turbo -81 Carrera GT RESTOMOD
924 turbo -80 Dolomite De Luxe
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black turbo with Fuchs
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moone924  



Joined: 05 Feb 2003
Posts: 869
Location: Douglas Wyoming

PostPosted: Sat Jan 02, 2010 1:30 pm    Post subject: Reply with quote

gegge wrote:
http://www.924board.org/viewtopic.php?t=24994
http://www.924board.org/viewtopic.php?t=12366

1990s to 2000 D5252T 2460cc Audi TDI 5 cylinder in Volvo 850 and S70/V70 and early S80s. 2.5TDI is just a 1.9TDI with additional cylinder.


The 5 cylinder TDI has a Audi style bellhousing bolt pattern, like our 924's, the 1.9TDI is like a 4 cylinder VW engine, total different pattern, and also different from early and late motors.
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Ryan Moone

Always shopping for a nice s2 931 to baby.
New philosophy : one car project at a time.
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gegge  



Joined: 27 Jul 2007
Posts: 1124
Location: Sweden

PostPosted: Sat Jan 02, 2010 7:45 pm    Post subject: Reply with quote

moone924 wrote:
gegge wrote:
http://www.924board.org/viewtopic.php?t=24994
http://www.924board.org/viewtopic.php?t=12366

1990s to 2000 D5252T 2460cc Audi TDI 5 cylinder in Volvo 850 and S70/V70 and early S80s. 2.5TDI is just a 1.9TDI with additional cylinder.


The 5 cylinder TDI has a Audi style bellhousing bolt pattern, like our 924's, the 1.9TDI is like a 4 cylinder VW engine, total different pattern, and also different from early and late motors.


That is why you should use the Audi 1.9TDI (longitudinally orientated engine at the front)

Frankly, I donīt know the bolt pattern of the Audi engines. But if you are going throu the trouble fitting another engine an adapterplate doesnīt compicate things that much.
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Carl Fredrik Torkildsen

924 turbo -81 Carrera GT RESTOMOD
924 turbo -80 Dolomite De Luxe
924 -85 DP kit, BBS RS, M030 and tuned engine
924s -86 Black on black turbo with Fuchs
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moone924  



Joined: 05 Feb 2003
Posts: 869
Location: Douglas Wyoming

PostPosted: Tue Jan 05, 2010 10:56 am    Post subject: Reply with quote

gegge wrote:
moone924 wrote:
gegge wrote:
http://www.924board.org/viewtopic.php?t=24994
http://www.924board.org/viewtopic.php?t=12366

1990s to 2000 D5252T 2460cc Audi TDI 5 cylinder in Volvo 850 and S70/V70 and early S80s. 2.5TDI is just a 1.9TDI with additional cylinder.


The 5 cylinder TDI has a Audi style bellhousing bolt pattern, like our 924's, the 1.9TDI is like a 4 cylinder VW engine, total different pattern, and also different from early and late motors.


That is why you should use the Audi 1.9TDI (longitudinally orientated engine at the front)

Frankly, I donīt know the bolt pattern of the Audi engines. But if you are going throu the trouble fitting another engine an adapterplate doesnīt compicate things that much.


Gegge - The later Audi (also VW Passat) TDI longitudinally mount transaxles are dual pattern, with Audi and VW patterns - Transaxles based on the 01A or 01E.

Yes, if you're going to do a swap you might as well build a adaptor plate. But I always want to find the bolt in solution.
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Ryan Moone

Always shopping for a nice s2 931 to baby.
New philosophy : one car project at a time.
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