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Anhaedra
Joined: 02 Aug 2007
Posts: 32
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 Posted: Fri Nov 02, 2007 9:25 pm Post subject: 924 turbo engine into 924 NA? |
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Is there anything to that really? It looks like the same engine, are there any problems putting a turbo engine into a NA 924? I guess I would need the 924 turbo hood with the intake though.
Oh and I assume this engine to be a 2.0 liter, it looks the same as the NA 924 engine... |
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Martijnus
Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands
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| Posted: Fri Nov 02, 2007 9:53 pm Post subject: Re: 924 turbo engine into 924 NA? |
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| Anhaedra wrote: | Is there anything to that really? It looks like the same engine, are there any problems putting a turbo engine into a NA 924? I guess I would need the 924 turbo hood with the intake though.
Oh and I assume this engine to be a 2.0 liter, it looks the same as the NA 924 engine... |
Did all the turbo's have the scooped hood?
I believe there's no problem. Turbo has alternator/starter on another place, another exhaust and hydraulic clutch.
As far as I know...
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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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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sat Nov 03, 2007 1:33 am Post subject: |
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you need more than a hood 
you need a complete other car.
1. gearbox
2. torque tube
3. engine
4. complete front electrics
5. you must cut the body to install a complete new clutch...including the pedal.
6. radiator
7. a shit load of money nerves and time.
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Anhaedra
Joined: 02 Aug 2007
Posts: 32
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| Posted: Sat Nov 03, 2007 3:31 am Post subject: |
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Oh to hell with that then, if I were going to tear the whole thing down like that I would just do the chevy V8 conversion.  |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sat Nov 03, 2007 5:41 am Post subject: |
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i'd love a V8 in a nice 924 maby i'll get one if i have the chance.
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Andrew NZ
Joined: 22 Jun 2004
Posts: 744
Location: New Zealand
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| Posted: Sat Nov 03, 2007 5:45 am Post subject: |
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| Anhaedra wrote: | | Oh to hell with that then, if I were going to tear the whole thing down like that I would just do the chevy V8 conversion. |
Or you could buy my BAE turbo kit and bolt it straight on to your N/A! 
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Andrew
1977 RX924 race car
12a bridgeport supercharged
www.race4-dcup.co.nz |
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Anhaedra
Joined: 02 Aug 2007
Posts: 32
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| Posted: Sat Nov 03, 2007 6:04 am Post subject: |
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| Andrew NZ wrote: | | Anhaedra wrote: | | Oh to hell with that then, if I were going to tear the whole thing down like that I would just do the chevy V8 conversion. |
Or you could buy my BAE turbo kit and bolt it straight on to your N/A! |
How much is it? |
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Anhaedra
Joined: 02 Aug 2007
Posts: 32
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| Posted: Sat Nov 03, 2007 7:24 am Post subject: |
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Isn't the 931 engine just the normal 2 liter, but with a turbo added? If that's the case, couldn't I just put all the parts for the turbo on my NA 2.0 engine?
Edit: oh wait damn I remember something about the heads being different I think... not sure |
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Andrew NZ
Joined: 22 Jun 2004
Posts: 744
Location: New Zealand
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| Posted: Sat Nov 03, 2007 7:37 am Post subject: |
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| Anhaedra wrote: | | Andrew NZ wrote: | | Anhaedra wrote: | | Oh to hell with that then, if I were going to tear the whole thing down like that I would just do the chevy V8 conversion. |
Or you could buy my BAE turbo kit and bolt it straight on to your N/A! |
How much is it? |
PM sent.
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Andrew
1977 RX924 race car
12a bridgeport supercharged
www.race4-dcup.co.nz |
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!tom
Joined: 28 Aug 2006
Posts: 1941
Location: Victoria, BC Canada
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| Posted: Sat Nov 03, 2007 8:03 am Post subject: |
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| Anhaedra wrote: | Isn't the 931 engine just the normal 2 liter, but with a turbo added? If that's the case, couldn't I just put all the parts for the turbo on my NA 2.0 engine?
Edit: oh wait damn I remember something about the heads being different I think... not sure :-? |
From what I understand, it's got a different head and pistons, but the block is the same. Also, the parts that bolt on to that head require moving other parts around (the turbo sits where the NA alternator goes, etc.). So, it's a bit of a pain.
So, once you get the engine bay sorted out, you could use your same clutch, torque tube, transmission, etc., but the increased power would melt your clutch, twist your torque tube, and destroy your transmission. Hence, the heavier duty gear Morghen mentioned.
Others here should be able to tell you just how much torque your NA drivetrain should be able to handle, but you'd have the same issues if you decided to drop in a V8.
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78 924 NA
5-lug |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Sat Nov 03, 2007 8:42 am Post subject: |
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| Anhaedra wrote: | Isn't the 931 engine just the normal 2 liter, but with a turbo added? If that's the case, couldn't I just put all the parts for the turbo on my NA 2.0 engine?
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err...no. i already told you its not the same engine even by far. it may look the same but its actualy a complete different animal..it even sounds different. "naaaaaaaa = NA" "tuuuuuurrrrrboooooo = turbo" why would two identical things be named different?
good luck.
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Wed Nov 14, 2007 9:02 am Post subject: |
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| Quote: |
So, once you get the engine bay sorted out, you could use your same clutch, torque tube, transmission, etc., but the increased power would melt your clutch, twist your torque tube, and destroy your transmission. Hence, the heavier duty gear Morghen mentioned.
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seems that a Na will be able to safely handle this power..look in a thread by raceboy..quote from morghen below
| Quote: | So what we know until now is that the 924 NA engine will take almost 1 bar of pressure if managed right..and aparently is not of so poor design afterall if boosted corectly. The gearbox and tranny will take over 245HP but the clutch will slip.
Now..this shoud shut up some mouths and get some minds working. Everybody on to their projects now ! go go go !
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| Quote: | you need more than a hood
you need a complete other car.
1. gearbox
2. torque tube
3. engine
4. complete front electrics
5. you must cut the body to install a complete new clutch...including the pedal.
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just realised Morgehn youve quoted two different views..or maybe im reading wrong?
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
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Rich H
Joined: 10 Jun 2007
Posts: 2665
Location: Preston, Lancs, UK
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| Posted: Wed Nov 14, 2007 6:27 pm Post subject: |
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I think what Morghen is referring to is that for a bolt on conversion most of the running gear is different and will require alot of work. Better off starting with a Turbo car in the first place.
I have no doubt the engine will take it, but the effort involved will be significant and why bother when the factory produced exactly what you are after in the first place?
Probably be cheaper too in the long run. 
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1994 Lotus Esprit S4 - Work in progress...
1980 Porsche 924 S2 DITC Turbo - Original spec
1978 Homo-Sapiens - Tired spec
1953 Landrover S1 - Pensioner Spec |
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Scorpio
Joined: 05 Jul 2007
Posts: 1957
Location: Brisbane, Australia
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| Posted: Thu Nov 15, 2007 12:36 am Post subject: |
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| Quote: | why bother when the factory produced exactly what you are after in the first place?
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because down this part of the world 924 turbos are about as easy to find as tits on a bull..... And when you do find one you need to sell two arms and a lefticle to buy it....
The other option is you can get a 944 for about $8000 to $20000 and when they make an appearance a nice 944 turbo for about $25000 up
Besides if we all could afford to just buy 924 turbos this forum would be a less creative less exciting place. no pun intended
_________________
1979 NA
MS1..EFI..
GARRETT T25 TURBO
BILSTEIN SHOCKS
GT BASED CUSTOM BODYKIT
Brisbane , Australia
Think mean think fast
all youll see is
my Porsches Arse!!! |
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morghen
Joined: 21 Jan 2005
Posts: 9095
Location: Romania
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| Posted: Thu Nov 15, 2007 2:01 am Post subject: |
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no...for the 931 engine you need the 931 or 944 gearbox and torgue tube. You probably can trick the 931 engine to use the NA shaft and gearbox..or only the NA gearbox..this if the 931 came with an audi gearbox...but...its like i said:
if you want a 931 engine in a NA...you swap all the stuff.
Raceboy has a NA engine and he added a turbo sistem...he is using a NA gearbox because it was on his car.
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