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stv951
Joined: 06 Mar 2005
Posts: 100
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 Posted: Mon Aug 24, 2009 9:18 pm Post subject: 924 turbo with a 944 turbo engine |
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I am seriously thinking of making this conversion on an engineless 931 that has great body.
i have all the parts hanging aroung from a 951 donor car
Anyone done this ?
Ive seen the recent Excellence article, but there is not much technical info there
Any thoughts ideas and directions are welcome |
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Rich H
Joined: 10 Jun 2007
Posts: 2665
Location: Preston, Lancs, UK
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| Posted: Mon Aug 24, 2009 9:26 pm Post subject: |
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Probably better off starting with an S as AFAIK the mounts are similar to the 944, dunno about the turbo bits though.
Don't let that stop you though!!
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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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ideola
Joined: 01 Oct 2004
Posts: 15548
Location: Spring Lake MI
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| Posted: Mon Aug 24, 2009 9:28 pm Post subject: |
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First of all, the Excellence article I believe you are referencing was a 924S that was implanted with a 951 motor, by far an easier swap than what you referenced (944 into a 931) because the 924S and 944/951 all share the same motor mount arrangement, while the earlier 931 has a completely different motor mounting arrangement.
This topic has been discussed multiple times on the board, which a halfway decent effort at searching would reveal. Rather than repeat all of that info, here are five of the classic threads to get you started on the path to enlightenment:
my 924 update; with 944 engine mounts
944 Aluminium Front Arms
931 Motor in 924S Chassis?
924 - 944 swap
944 S2 into 924
Sadly, some of the pix have gone missing in several of the posts, but if you take the time to read each of those threads in its entirety, you'll have a very good idea of what's required and involved in order to pull this off.
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erstwhile owner of just about every 924 variant ever made |
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Chrenan
Joined: 15 Jan 2003
Posts: 3903
Location: Canada
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| Posted: Mon Aug 24, 2009 11:51 pm Post subject: |
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| ideola wrote: | | ...while the earlier 931 has a completely different motor mounting arrangement.... |
And I think a different suspension mounting setup as well. I'd want to run a 951 engine through a 951 gearbox, not a 931 gear box.
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1987 951 - M193 Version for Japan |
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ideola
Joined: 01 Oct 2004
Posts: 15548
Location: Spring Lake MI
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| Posted: Mon Aug 24, 2009 11:58 pm Post subject: |
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Yeah, there may be some considerations for the suspension mounting depending on how late the donor car is...as for the gearbox, if the 931 has a snailshell, it is perfectly capable of handling 951 power levels. If the 931 has an audi gearbox, swapping in a 951 unit is a direct swap.
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erstwhile owner of just about every 924 variant ever made |
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Chrenan
Joined: 15 Jan 2003
Posts: 3903
Location: Canada
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| Posted: Tue Aug 25, 2009 12:51 am Post subject: |
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| ideola wrote: | | ...if the 931 has a snailshell, it is perfectly capable of handling 951 power levels. |
Agreed, but from a practical point of view, parts for the 951 gearbox are plentifull, not so much for the snailshell.
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1987 951 - M193 Version for Japan |
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Khal
Joined: 26 Sep 2003
Posts: 4869
Location: Sunny and lovely interior BC, Canada
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| Posted: Tue Aug 25, 2009 4:24 am Post subject: Re: 924 turbo with a 944 turbo engine |
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| stv951 wrote: | | Ive seen the recent Excellence article... |
| ideola wrote: | | ...the Excellence article I believe you are referencing was a 924S that was implanted with a 951 motor... |
I'm not a huge fan of engine swaps, usually strikes me as kinda pointless. But I'm in love with that car. I want one, badly.
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'80 924 Turbo |
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thirdgenbird
Joined: 29 Feb 2008
Posts: 367
Location: Pella, IA USA
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| Posted: Tue Aug 25, 2009 4:49 am Post subject: |
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what issue was that? i bought my 924s with dreams of a 951 swap
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17in caymans, koni yellow coilovers, hypercoil springs, kla solid upper mounts, 968 sway bars, kla drop links, kla strut brace, fidanza flywheel, dansk catback, wilwood front calipers, ss brake lines, e-codes, 944 duckbill, manual rack,momo steering wheel |
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Khal
Joined: 26 Sep 2003
Posts: 4869
Location: Sunny and lovely interior BC, Canada
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| Posted: Tue Aug 25, 2009 5:16 am Post subject: |
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| thirdgenbird wrote: | | what issue was that? |
Well, if you had've clicked my link;
You would've seen that it's the September '09 issue. And you could've read the article, too.
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'80 924 Turbo |
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thirdgenbird
Joined: 29 Feb 2008
Posts: 367
Location: Pella, IA USA
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| Posted: Tue Aug 25, 2009 5:26 am Post subject: |
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sorry, cell phone browser doesnt underline all hot links and i couldnt tell it was a link...
thanks though.
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17in caymans, koni yellow coilovers, hypercoil springs, kla solid upper mounts, 968 sway bars, kla drop links, kla strut brace, fidanza flywheel, dansk catback, wilwood front calipers, ss brake lines, e-codes, 944 duckbill, manual rack,momo steering wheel |
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Rob_Hooper
Joined: 27 Jan 2009
Posts: 19
Location: Christchurch
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| Posted: Tue Aug 25, 2009 5:43 am Post subject: |
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I am working on a swap like this at the moment, but putting a 968 engine into my 924. The engine mounts arnt to hard to change over just need to be able to weld and a donar car. I have be cnsidering if it would have been better to go for a 944 turbo engine instead of the 3.0L NA but I am thinking of turbocharging later anyway. I am carrying over all suspension and brakes from my donar 968.
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Cheers Rob
924
931
968 CS |
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Khal
Joined: 26 Sep 2003
Posts: 4869
Location: Sunny and lovely interior BC, Canada
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| Posted: Tue Aug 25, 2009 6:00 am Post subject: |
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| Rob_Hooper wrote: | | I am working on a swap like this at the moment, but putting a 968 engine into my 924. |
I've driven a 924S with a 968 engine and gearbox -and 944 Turbo brakes, if I remember correctly. Devastatingly quick, scary top speed (I backed off at the end of 5th, wasn't brave enough to go through 6th on that particular road) and brutal deceleration 
| Rob_Hooper wrote: | | I have be cnsidering if it would have been better to go for a 944 turbo engine instead of the 3.0L NA but I am thinking of turbocharging later anyway. |
My guess is you'd probably be able to get more power out of the 944 Turbo engine, more easily and less expensively (than trying it with a turbocharged 968 engine, of course) EDIT: It seems the '88 944 Turbo S and the '89 944 Turbo were rated as about 10hp or so more powerful than the 968 anyway... 250hp (~185kW) for the Turbo S and 247hp (~183kW) for the '89 Turbo vs. 236hp (~175kW) for the 968. But if you did actually turbocharge the 968 engine, well, all bets are off in terms of performance comparisons...
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'80 924 Turbo |
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stv951
Joined: 06 Mar 2005
Posts: 100
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| Posted: Wed Jan 13, 2010 6:21 am Post subject: |
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| any more on this ???? |
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Khal
Joined: 26 Sep 2003
Posts: 4869
Location: Sunny and lovely interior BC, Canada
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| Posted: Wed Jan 13, 2010 6:43 am Post subject: |
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| stv951 wrote: | | any more on this ???? |
How the Hell would we know? You're the one doing the swap...
If you mean do I have any more information on the 924S with the 968 drivetrain swap, that was Kevin D's car. Contact him directly for more info.
If you mean do we have any more technical details about putting a 944 Turbo engine into a 924 Turbo body, well, it's probably all in here somewhere but you're going to have to search it out. There is no step-by-step guide for that swap. And I personally don't know of anyone here who's done it (although it's entirely possible that it has been done by someone, at some point).
Get busy entering search queries. You can do an advanced search through Google, too, which sometimes yields more relevant results.
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'80 924 Turbo |
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stv951
Joined: 06 Mar 2005
Posts: 100
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| Posted: Wed Jan 13, 2010 6:04 pm Post subject: |
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| Thanks Khal |
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