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I have started a project with my father. We have a 93 B204E and we want to mount the engine and gearbox of a 9000 Aero. Do you know if it is possible? Someone who has done it before and can guide me? we will have many problems? Thank you!
 

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The only reason is that my father believes that the box of 93 would not withstand the thrust of that engine with 300hp. And also that the engine would be very revolutionized with the development of speeds. For this reason I ask you the experts
 

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the flywheel is smaller in the 9-3. the 9-5 and 9-3 use same tranny its just the 9-3 has a smaller bell housing. both are f35 thou. the 9000 tranny is longer and will not fit plus the 9000 tranny is not really stronger. the viggen tranny is the same as the standard 9-3. just keep the same tranny. you could always just rebuild the 9-3 tranny with the updates that where made after 06 for the 9-5 as well.
 

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That's not exactly right. The 9-3 and 9-5 both use an F25 gearbox, but the 9-5 uses the larger F35 diff (as does the 9-3 Viggen). The 9-3 and 9000 both use the "basic" F25, so there should be no power handling differences between them. They both use a 240mm clutch as well.
 

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That's not exactly right. The 9-3 and 9-5 both use an F25 gearbox, but the 9-5 uses the larger F35 diff (as does the 9-3 Viggen). The 9-3 and 9000 both use the "basic" F25, so there should be no power handling differences between them. They both use a 240mm clutch as well.
not sure where you heard that the 9-3 and 9-5 use a f25?
 

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That's not exactly right. The 9-3 and 9-5 both use an F25 gearbox, but the 9-5 uses the larger F35 diff (as does the 9-3 Viggen). The 9-3 and 9000 both use the "basic" F25, so there should be no power handling differences between them. They both use a 240mm clutch as well.
Also they don’t all use a 240mm clutch. Viggen and 9-5 aero are larger.
 

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That's not exactly right. The 9-3 and 9-5 both use an F25 gearbox, but the 9-5 uses the larger F35 diff (as does the 9-3 Viggen). The 9-3 and 9000 both use the "basic" F25, so there should be no power handling differences between them. They both use a 240mm clutch as well.
See the unused area. Different size clutch. We rip apart a Saab to be parted out once a week. I have seen a lot haha
 

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not sure where you heard that the 9-3 and 9-5 use a f25?
Read the whole article:

Applications[edit]
The F35 didn't come into play at Saab until the 2003 9-3SS.
 

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Also they don’t all use a 240mm clutch. Viggen and 9-5 aero are larger.
Nope.

The biggest factory clutch on a 9-3 is a 228mm clutch, and it's the same size on a Viggen. What's different about a Viggen is the pressure plate, which offers greater clamping force. The dimensions are the same, dictated by the flywheel.

There was a 240mm clutch on the 9000 Aero from the factory, and there is supposedly a Sachs 240mm clutch that fits on the 9-3 flywheel, but I've never seen it.
 

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snailkit is right. The 9-3ss uses the f40. Not sure what your talking about?
Read what I said.

The OG9-3 uses the F25.
The 9-3SS uses the F35 or F40

But this is the OG9-3 forum and the OP asked about an OG9-3 with a B204. None of this has anything to do with 9-3SS or B284s or B207s or F35 transmissions.
 
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