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1981 8v c900 sedan, 1990 2.0 9k carlsson, 1992 21 c900 sedan
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Discussion Starter · #1 ·
Hi everyone,

I currently drive a 1983 900S with 8V non-turbo engine and a 3-speed automatic transmission. I have a donor car which is a 1983 900 GLi with the same engine setup but it has a 5-speed manual transmission.

I've seen the website that is unfortunately hosted at Saabnet.com which briefly covers the process of changing from an auto transmission to a manual, and I've posted a few articles into the alt.autos.saab Usenet newsgroup about it, but nobody seems to be able to shed any more detailed light on the subject besides what has been featured on the above-mentioned website. :cool:

Has anyone reading this forum done an auto to manual transmission swap? At this stage I can't afford to look at going straight to a high-performance modified Saab manual transmission such as the ones available from Three Trolls, so a stock Saab 5-speed manual such as the one in my donor car will have to do.

I haven't owned or driven any Saab with manual transmissions to date so I don't know much about them in terms of solving problems, so my path of approach might be to remove the manual transmission from my 900 GLi, take it to a saab dealer (Saab Serv in Paramatta, Sydney, Australia is the nearest one to me that gets a lot of good recommendations) for a proper service and overhaul, then look at pulling the auto out of my 900S to put the manual one in it's place.

Nothing is confirmed with this yet, but since C900's are very rare here in Australia compared to other countries, I'd probably be unlikely to find a pre-1986 900 with the right combination of options (8V engine, turbo, 5-speed transmission, preferably 'S' model car) unless I create it myself.

Regards,

Craig.
 

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take engine/tranny related equipment from parts car transplant into your car.Connect up wires and your good to go.

Don't even bother seperating engine/tranny as they are alreadt one unit.
 

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well - you kinda need to ensure the car harness was designed for the motor - need the Turbo ECU too - and turbo mounts - and a few things here and there. Basically - a Manual trans swap is as simple as installing the transmission - but addng the hardware inside - holes are already there - just bolt it all up and in as far as I am awear. I think there's a few site (can't remember which) that actually DO give the procedure on this swap... I'll look for it tomorrow if I remember.
 

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1981 8v c900 sedan, 1990 2.0 9k carlsson, 1992 21 c900 sedan
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1,029 Posts
Discussion Starter · #4 ·
BurnsSide42 said:
well - you kinda need to ensure the car harness was designed for the motor - need the Turbo ECU too - and turbo mounts - and a few things here and there. Basically - a Manual trans swap is as simple as installing the transmission - but addng the hardware inside - holes are already there - just bolt it all up and in as far as I am awear. I think there's a few site (can't remember which) that actually DO give the procedure on this swap... I'll look for it tomorrow if I remember.
Hi, yes there is a site covering this issue hosted at Saabnet but it's very short on detail. However, compared to when I first looked at the site in question some 12 months ago, I know masses more about the cars now so it doesn't seem so daunting. Since the target car has a non-turbo 8V engine, a stock Saab 5-speed manual transmission (perhaps with a specialist rebuild kit to cover the most common places where it'll fail under load) could be the best way to get the car's performance significantly improved.

Most people I've asked have said it'll be way more expensive trying to retro-fit a turbo and all the extra parts and wiring that requires as opposed to just buying a car outright which has a turbo in the first place. Pity in a way - fitting a turbo myself would be a fun project and give an excellent goal to aim for, but the biggest factor would always be time/cost spent getting the bits I'd need.

I've only ever seen a handful of 900's with 8V turbo engines and manual transmissions here. Most of the time mid-80's 900's with turbo-equipped 8V engines always have auto transmissions - here in Australia at least.

Regards,

Craig.
 
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