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Discussion Starter #1
does anyone know what is required to do a 2wd to 4wd conversion?

what parts are needed and how to do it?

i'm not looking for a "don't do it, it's stupid" response

thanks

saabvos
 

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Jeez.....you'd need most of a new drivetrain and engine, unless you could source one with a transverse engine (maybe a DSM?) ...

so...

a rear drive axle and diff (or axles if you don't do an old-school solid rear end like a Mustang, which fits)
new, fabricated axle brackets (readily available and easily welded on)
new rear suspension mounts mounted precisely (any errors would really whack out the handling)
center diff and drive shaft (this is the tricky part...)

there's probably more...I'm just going off the top of my head...)

possible area of exploration: find out if there is an available center diff that is small enough to fit with the current Saab center drive axle, enabling you to keep the front of the car stock. My suspicion is that if there was an easy way to do this, it would have been done.

So...let's say you can get this going, you'd need to seriously hop up the engine to compensate for the 25% drivetrain loss you'd see -- and that's if your setup was as efficient as production models. So if you got your 9-3 up to 250bhp, you'd show about 185 whp...which is what you started with. (check my figures on this..)

After all was said and done....you would have spent enough time and money to buy a used WRX.
 

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Discussion Starter #3
thanks!

i wasn't planning on doing anything, it was more out of curiosity....assuming that the 9-3 was really hopped up on power i.e. 400-500whp, it would become undriveable with a fwd system

does anyone have crazy torque steer with their car? even with my stock 9-3, i can't hold the car straight?

saabvos
 

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what do you mean - undriveable??? As long as your trans holds up it's driveable. Have you seen Nordic Tuning's 420whp (i think it was) 11 second car - it's still fwd - seems to have almost no problems watching it launch. 8)
 

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you could use the drive system out of a pontiac 6000 if you were creative. then again, you could just use the whole 6000 and drop a turbo 3.1 in there. those things can rip!
 

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Discussion Starter #7
yes, i have seen the nordic tuned 2.5gt 9-3....and to my recollection it is not an 11 sec car, the best it ran was 12.18....anyways, by "undriveable" i mean by comparison to awd or rwd, fwd is not a preferred system for high hp to the best of my knowledge

saabvos
 

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someone needs to do this and make a kit.... I mean an AWD viggen... could it get any better?
 

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Boxerchip said:
someone needs to do this and make a kit.... I mean an AWD viggen... could it get any better?
always - once you have more - what then would you want? MORE POWER! lol I mean - if there was bolt on's to have 1000whp - there'd be someone with it regaurdless of price - u just gotta figure how much is enough.... :twisted:
 

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maybe if you coulf find a NG900 NA 6 with rear wheel drive, drop in a front wheel drive engine and tranny. Might be a way to link it up.....

oh by the way...did you see that 11 second Nordic...dayum that's fast.
 

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Discussion Starter #12
the v6 ng900's were rwd?

yea, i finally saw it, the last time i saw that saab, it was running mid 12's...apparently they made it faster :twisted: :twisted:
 

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My guess would be to find a Pontiac Azteck, or Saturn Vue. I think those may have the best bets for bolting up to the chasis. You could have English folk rummage the breakers for the Vauxhall that WAS AWD It would work perfectly, but its a tricky system.
 

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okay...., okay...no rwd in the ng's...how bout a VX Lightening, or Sonet.

Maybe the new 9.2x would be a lil cheaper than stealing one of these or making one..

but "Dayum that Nordic car is fast...., still watching that video" 11 seconds...what in the world must the top end really be on a car like that. He's got to be reving higher than 7k....that's just incredible. where's his site at?
 

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DC_SAAB said:
SaabTuner said:
http://nordictuning.com/specialprojects/saab_9-3_2.5t.html
"what tha"

Are those stock tires too....wow. thanks SaabTuner...
wtf? I don't see anything remotely stock about that car's tires, or just about anything else.
 

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Jeez.....you'd need most of a new drivetrain and engine, unless you could source one with a transverse engine (maybe a DSM?) ...

so...

a rear drive axle and diff (or axles if you don't do an old-school solid rear end like a Mustang, which fits)
new, fabricated axle brackets (readily available and easily welded on)
new rear suspension mounts mounted precisely (any errors would really whack out the handling)
center diff and drive shaft (this is the tricky part...)

there's probably more...I'm just going off the top of my head...)

possible area of exploration: find out if there is an available center diff that is small enough to fit with the current Saab center drive axle, enabling you to keep the front of the car stock. My suspicion is that if there was an easy way to do this, it would have been done.

So...let's say you can get this going, you'd need to seriously hop up the engine to compensate for the 25% drivetrain loss you'd see -- and that's if your setup was as efficient as production models. So if you got your 9-3 up to 250bhp, you'd show about 185 whp...which is what you started with. (check my figures on this..)

After all was said and done....you would have spent enough time and money to buy a used WRX.
If you have the 2.0 Big Turbo they actually have the same exact setup in all-wheel drive you would have to get a smashed in front four-wheel drive 2.0 Saab X and it will be compatible the 2009 Saab 2.0 all-wheel drive 6 speed manual 2003 Saab 2.0 front wheel drive 6-speed manual they're almost the same setup yeah you might have to weld a bracket or something but I don't think it should be that hard but if you want to really do this you would have to get a donor car that would be the cheapest route find one for around $1,000 smashed
 
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