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2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.
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F40 6 speed conversion

This is a discussion on F40 6 speed conversion within the 2.0L LNF Performance Tech forums, part of the Engine Technical Discussion category; Originally Posted by INFE No LSD for the F40. 1 wheel of fire! Originally Posted by Killa SS Lies quaife ...

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Old 05-25-2013, 07:35 PM   #51
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Quote:
Originally Posted by INFE View Post
No LSD for the F40. 1 wheel of fire!
Quote:
Originally Posted by Killa SS View Post
Lies quaife has one. Do ur research
I think you're both right.

The F40 for the most part was never offered with LSD. Quaife makes units you can refit into the F40s, and only 1 or 2 European flavors of the F40 had LSD from the factory I believe. None of the North American F40s ever offered ever came with LSD, including (ironically) the AWD Saabs.
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Old 05-25-2013, 07:48 PM   #52
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Quote:
Originally Posted by ArickSS View Post
I have the Fidanza Fywheel, I also had them install the Quaife LSD and from my understanding I am the first to do that for this setup. I had the Fidanza in my built F35 as well but not sure if mine was as cranky as you say you expierience. It is really smooth at around 2500, but I think this all depends on the motor you have with it, I am extreme with the S259 setup, which my boost really does not kick in until about 3900rpm. As far as driving, the main diffrence between the F35 and F40 seems to be high rev shifting, the F35 just seemed notchy and sometimes difficult to get into the next gear at speed, the F40 shifts easier without having to be so precise on clutch and shift engagement, when I shift at say 6500 to 7000 rpm, it goes right in. As far as driving, the car just feels so much smoother and with the easier shifting it seems you do not have to let off as much and you can get back into it quicker. When I talked with ZZP, I asked about a built F40 and they said right now their is no need, they find low mileage F40s to put in, but they will keep me up to date if they go towards building up the F40s.
Thanks a bunch for the added info!

That's great that they're offering the Quaife LSD option now. Did you have to source it, or did they source and install it for you? They're usually a pretty penny.
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Old 05-25-2013, 10:23 PM   #53
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Quote:
Originally Posted by Stamina View Post
Thanks a bunch for the added info!

That's great that they're offering the Quaife LSD option now. Did you have to source it, or did they source and install it for you? They're usually a pretty penny.
I think Tim said it's around $1100-1200 for the lsd.
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Old 05-25-2013, 10:28 PM   #54
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Quote:
Originally Posted by blrt View Post

I think Tim said it's around $1100-1200 for the lsd.
Sounds right. If u google it. It will pop up bout 1200-1300 after taxes tho
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Old 05-27-2013, 12:11 PM   #55
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Quote:
Originally Posted by Stamina View Post
Thanks a bunch for the added info!

That's great that they're offering the Quaife LSD option now. Did you have to source it, or did they source and install it for you? They're usually a pretty penny.
I actually asked about the Quaife and they said they would install it, I ordered it from phantasmusa.com, which was total 1120 shipped directly to ZZP, they installed it for 300. Right now it is still 1080 on the site with 40 shipping, which is the lowest price I could find. I did a little more cruising around this weekend and payed a little more attention to cruising around at 2000rpm, basically up to 4 gear, the car was smooth and strong for gentle cruising, 5th and 6th seemed a little struggle, but like I said before, I think this is all dependent on your tune/motor, which mine is ZZP tuned. It is really hard to explain how f**king awesome this setup is, my car feels like a 50,000 dollar car now, may not look, but sure drives like one. One thing to know as well, the reverse is reversed now, left and up, and uses a buick regal shifter and shifter cables, but so far the drawback is that I cannot find shifter upgrades for this shifter, dont get me wrong, the shifter nice, lockout as well, but I really liked my heat/cold resistant shifter knob I had on my old TWM shortshifter.
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Old 05-29-2013, 05:53 AM   #56
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Hi we have the F40 gearbox in are astra gtc vxr/opc in Europe which comes standard with a Drexler plated LSD , you also have the quaife and there will be a wavetrac LSD soon as my tuner is having it developed for are cars along side wavetrac .


we also have the option from M-tec for a short shifter kit ( depending what gear linkage you have ) as the f40 over here on are cars had to different types.

heres some links to the shortshifter for our F40 transmission

MTech Opel Tuning. Opel performance parts, chiptuning and 2.0L conversion kits.

MTech Opel Tuning. Opel performance parts, chiptuning and 2.0L conversion kits.

hope it of some help
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Old 05-29-2013, 07:04 AM   #57
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2008 GME Germany F40 ( MU9 )
Type: transverse front wheel drive, six-speed manual transaxle
Engine range: GM 3.9L V6 ( LZ9 )
Maximum engine torque: 245 lb-ft ( 333 Nm)
Maximum gearbox torque: 295 lb-ft ( 400 Nm )
Gear ratios: MU9
First: 3.769
Second: 2.040
Third: 1.365
Fourth: 1.048
Fifth: 0.846
Sixth: 0.707
Reverse: 3.538
Final Drive Ratio: 3.55
Maximum validated gross vehicle weight: 3527 lb ( 1600 kg )
Case material: aluminum
Center distance: 197 mm
Fluid type: Castrol BOT 0063
Transmission weight: wet: 56 kg ( 123.5 lb )
Fluid capacity (approximate): 3.1L / 3.27 qt. ( dry )
Power take off: no
Applications: Saab 9-3
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Old 05-29-2013, 08:18 AM   #58
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Quote:
Originally Posted by Vxr-blacksheep View Post
Hi we have the F40 gearbox in are astra gtc vxr/opc in Europe which comes standard with a Drexler plated LSD , you also have the quaife and there will be a wavetrac LSD soon as my tuner is having it developed for are cars along side wavetrac .


we also have the option from M-tec for a short shifter kit ( depending what gear linkage you have ) as the f40 over here on are cars had to different types.

heres some links to the shortshifter for our F40 transmission

MTech Opel Tuning. Opel performance parts, chiptuning and 2.0L conversion kits.

MTech Opel Tuning. Opel performance parts, chiptuning and 2.0L conversion kits.

hope it of some help
Good info
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Old 05-29-2013, 03:17 PM   #59
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Quote:
Originally Posted by ArickSS View Post
I actually asked about the Quaife and they said they would install it, I ordered it from phantasmusa.com, which was total 1120 shipped directly to ZZP, they installed it for 300. Right now it is still 1080 on the site with 40 shipping, which is the lowest price I could find. I did a little more cruising around this weekend and payed a little more attention to cruising around at 2000rpm, basically up to 4 gear, the car was smooth and strong for gentle cruising, 5th and 6th seemed a little struggle, but like I said before, I think this is all dependent on your tune/motor, which mine is ZZP tuned. It is really hard to explain how f**king awesome this setup is, my car feels like a 50,000 dollar car now, may not look, but sure drives like one. One thing to know as well, the reverse is reversed now, left and up, and uses a buick regal shifter and shifter cables, but so far the drawback is that I cannot find shifter upgrades for this shifter, dont get me wrong, the shifter nice, lockout as well, but I really liked my heat/cold resistant shifter knob I had on my old TWM shortshifter.
Thanks for the lead! Do you happen to know the Quaife part number as well? There are over 8 versions of the F40, so I want to make sure I'm looking for the right LSD unit.

Quote:
Originally Posted by mongorat427 View Post
2008 GME Germany F40 ( MU9 )
Type: transverse front wheel drive, six-speed manual transaxle
Engine range: GM 3.9L V6 ( LZ9 )
Maximum engine torque: 245 lb-ft ( 333 Nm)
Maximum gearbox torque: 295 lb-ft ( 400 Nm )
Gear ratios: MU9
First: 3.769
Second: 2.040
Third: 1.365
Fourth: 1.048
Fifth: 0.846
Sixth: 0.707
Reverse: 3.538
Final Drive Ratio: 3.55
Maximum validated gross vehicle weight: 3527 lb ( 1600 kg )
Case material: aluminum
Center distance: 197 mm
Fluid type: Castrol BOT 0063
Transmission weight: wet: 56 kg ( 123.5 lb )
Fluid capacity (approximate): 3.1L / 3.27 qt. ( dry )
Power take off: no
Applications: Saab 9-3
Are you sure this is the right one? It appears to have the correct gearing ratios, but wouldn't the bellhousing be the V6 one in this case, instead of the Ecotec-compatible one? That's the case with the G6's F40 at least.
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Old 05-29-2013, 03:39 PM   #60
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[QUOTE=Stamina;7056124]Thanks for the lead! Do you happen to know the Quaife part number as well? There are over 8 versions of the F40, so I want to make sure I'm looking for the right LSD unit.

I just put in F40 in the search, only 1 comes up, that is the one I ordered, below is the link.

Quaife LSD (QDF21B) ATB Limited Slip Differential, Pontiac G6, Saab 9-3 (6 Speed) F40 Transmission
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Old 05-29-2013, 04:13 PM   #61
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Quote:
Originally Posted by ArickSS View Post
Quote:
Originally Posted by Stamina View Post
Thanks for the lead! Do you happen to know the Quaife part number as well? There are over 8 versions of the F40, so I want to make sure I'm looking for the right LSD unit.
I just put in F40 in the search, only 1 comes up, that is the one I ordered, below is the link.

Quaife LSD (QDF21B) ATB Limited Slip Differential, Pontiac G6, Saab 9-3 (6 Speed) F40 Transmission
Thanks! You've been a huge help.
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Old 05-30-2013, 04:00 AM   #62
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[QUOTE=ArickSS;7056156]
Quote:
Originally Posted by Stamina View Post
Thanks for the lead! Do you happen to know the Quaife part number as well? There are over 8 versions of the F40, so I want to make sure I'm looking for the right LSD unit.

I just put in F40 in the search, only 1 comes up, that is the one I ordered, below is the link.

Quaife LSD (QDF21B) ATB Limited Slip Differential, Pontiac G6, Saab 9-3 (6 Speed) F40 Transmission

psshht, I was told I was the first one to do the quaife in the F40!


I have enjoyed the tranny so far, cruising in 6th is soooooo much nicer. Everything is smooth and it puts the power down rather well. I did notice the car has no effing idea what gear it is in now so boost by gear with the stock electronic controller might be out of the question for the most part. Haven't played with it that much though.
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Old 05-30-2013, 08:45 AM   #63
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Anyone know the Number on tag on the 07 thru 09 Saab close ratio Trans. C Miller chime in
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Old 05-30-2013, 08:55 AM   #64
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Will look when I get home for ya. Bu the black tag is not on mine, maybe there's just a part #. I do know it says f40 on the case tho.
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Old 05-30-2013, 03:59 PM   #65
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According to ArickSS' info, the LSD part he purchased and ZZP successfully fitted has a part number of QDF21B, which seems to be confirmed as an option by Quaife.

Search: f40, Cars, Differentials - Quaife Engineering
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Old 05-30-2013, 06:17 PM   #66
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Quote:
Originally Posted by Stamina View Post
Thanks for the lead! Do you happen to know the Quaife part number as well? There are over 8 versions of the F40, so I want to make sure I'm looking for the right LSD unit.



Are you sure this is the right one? It appears to have the correct gearing ratios, but wouldn't the bellhousing be the V6 one in this case, instead of the Ecotec-compatible one? That's the case with the G6's F40 at least.
You just have to make sure its for the FWD 2.0
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Old 05-30-2013, 06:39 PM   #67
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As I stated earlier no black tag on the f40 I got, but there are numbers on the case. GM 55 354 727 and 0822680. Neither comes up with anything.
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Old 05-30-2013, 07:41 PM   #68
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Now before i get started here, I like the idea of the F40 with the closer gears. But comparing the individual gears and the final drives between the F40 and the 4.45F35, the numbers are still saying F35. In any gear at any mph the 4.45 is higher in the power band.

Calculations done with a 25" tire.

1st gear @20.2mph 3.55f40 - 3650rpm. 4.45f35 - 4100rpm

2nd gear @40.0mph 3.55f40 - 3900rpm. 4.45f35 - 4220rpm

3rd gear @60.62mph 3.55f40 - 3950rpm. 4.45f35 - 4280rpm

4th gear @79.96mph 3.55f40 - 4000rpm. 4.45f35 - 4260rpm

5th gear @100.2mph 3.55f40 - 4050rpm. 4.45f35 - 4200rpm



So lets say we take a car on slicks shifting accurately at 8,100rpms and compare mph. I'll take it to 4th because that's all either will see at the drag strip.

Calculations done with a 25" tire.

1st gear @8,100rpms 3.55f40 - 45.02mph. 4.45f35 - 40.05mph =4.97mph

2nd gear @8,100rpms 3.55f40 - 83.18mph. 4.45f35 - 76.91mph =6.27mph

3rd gear @8,100rpms 3.55f40 - 124.32mph. 4.45f35 - 114.72mph =9.6mph

4th gear @8,100rpms 3.55f40 - 163.17mph. 4.45f35 - 152.11mph =11.06mph



Comparing those numbers you can tell the 4.45 will out accelerate the F40. Along with rpm placement of the next gear up being smack dead in the powerband. Most of the turbo cars out there in the 450-500whp range will be trapping in the 133-138mph range. Which means the F40 will have you shifting further down track from 3rd to 4th and not allowing much time to get into the sweet spot of the powerband (you will get there, but won't spend long there) before you cross the line. But the 4.45F35 will have you shifting much sooner to 4th allowing you to spend more time in the powerband accelerating and freighttraining to the end.

Just my math and two cents worth. I'm not saying the F40 is a bad idea, because the power handling capabilities are greater and it's already been able to lay down times in Matt's car. I just wish more people were able to lay down low ETs on the 4.45 and will wait to see more people running this F40, with consistent ETs, before i really make up my mind about going 4.45 or F40. That and Powell is making me some sweet mounts for the F35 lol.
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Old 05-30-2013, 07:55 PM   #69
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Quote:
Originally Posted by EXsoccer1921 View Post
Now before i get started here, I like the idea of the F40 with the closer gears. But comparing the individual gears and the final drives between the F40 and the 4.45F35, the numbers are still saying F35. In any gear at any mph the 4.45 is higher in the power band.

Calculations done with a 25" tire.

1st gear @20.2mph 3.55f40 - 3650rpm. 4.45f35 - 4100rpm

2nd gear @40.0mph 3.55f40 - 3900rpm. 4.45f35 - 4220rpm

3rd gear @60.62mph 3.55f40 - 3950rpm. 4.45f35 - 4280rpm

4th gear @79.96mph 3.55f40 - 4000rpm. 4.45f35 - 4260rpm

5th gear @100.2mph 3.55f40 - 4050rpm. 4.45f35 - 4200rpm

So lets say we take a car on slicks shifting accurately at 8,100rpms and compare mph. I'll take it to 4th because that's all either will see at the drag strip.

Calculations done with a 25" tire.

1st gear @8,100rpms 3.55f40 - 45.02mph. 4.45f35 - 40.05mph =4.97mph

2nd gear @8,100rpms 3.55f40 - 83.18mph. 4.45f35 - 76.91mph =6.27mph

3rd gear @8,100rpms 3.55f40 - 124.32mph. 4.45f35 - 114.72mph =9.6mph

4th gear @8,100rpms 3.55f40 - 163.17mph. 4.45f35 - 152.11mph =11.06mph

Comparing those numbers you can tell the 4.45 will out accelerate the F40. Along with rpm placement of the next gear up being smack dead in the powerband. Most of the turbo cars out there in the 450-500whp range will be trapping in the 133-138mph range. Which means the F40 will have you shifting further down track from 3rd to 4th and not allowing much time to get into the sweet spot of the powerband (you will get there, but won't spend long there) before you cross the line. But the 4.45F35 will have you shifting much sooner to 4th allowing you to spend more time in the powerband accelerating and freighttraining to the end.

Just my math and two cents worth. I'm not saying the F40 is a bad idea, because the power handling capabilities are greater and it's already been able to lay down times in Matt's car. I just wish more people were able to lay down low ETs on the 4.45 and will wait to see more people running this F40, with consistent ETs, before i really make up my mind about going 4.45 or F40. That and Powell is making me some sweet mounts for the F35 lol.
Great write up. Id love the 4.45 if only itd handle more power. I got the motor built to handle big power. I wanna beable to put that down at the strip. Where is the times matt put down with the f40?
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Old 05-30-2013, 09:09 PM   #70
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Mark I see what your saying... but its not as much about tranny vs. tranny at a given rpm. We have pretty big turbos for a 2.0. So there will be more load placed on the motor allowing the turbo to spool at a lower rpm theoretically making a wider power band and staying in the power longer. Turbos like bigger gears, we know that. Yes it appears the f40 will put the fourth gear shift at a maybe awkward rpm but I think I will be able to hit the shift at say 7500 and let the bitch pull and pull since I will be is a solid power band from 4500 I am guessing. 4500-8000 with a 62 mm turbo on a 2.0 is going to be pretty nice. The 4.45 will break eventually lol.
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Old 05-30-2013, 09:18 PM   #71
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Quote:
Originally Posted by cmiller8006 View Post
Mark I see what your saying... but its not as much about tranny vs. tranny at a given rpm. We have pretty big turbos for a 2.0. So there will be more load placed on the motor allowing the turbo to spool at a lower rpm theoretically making a wider power band and staying in the power longer. Turbos like bigger gears, we know that. Yes it appears the f40 will put the fourth gear shift at a maybe awkward rpm but I think I will be able to hit the shift at say 7500 and let the bitch pull and pull since I will be is a solid power band from 4500 I am guessing. 4500-8000 with a 62 mm turbo on a 2.0 is going to be pretty nice. The 4.45 will break eventually lol.
Also no lift **** wot box ftw. No boost loss
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Old 05-30-2013, 11:14 PM   #72
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well the nls and 2step launch is a given lol.

Yeah see that's what i'm thinking with it as well Miller. There's just not enough cars running either trans to get some good solid data. From what Matt was saying the 4.45 will handle 600whp as long as you want. 650 is where it starts to become a limited amount of time. And that may be about all i'll need. But if i run the AMS then having total control over boost i'd definitely run it into the 750s down track, launching about 400 and let it eat in 3rd and 4th so the strength of the F40 is definitely needed there. 3-4shift will always be flat foot so yeah running a bigger a/r down to around 4,500 after shifting still shouldn't be a problem.
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Old 05-31-2013, 12:13 AM   #73
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Quote:
Originally Posted by Stamina View Post
According to ArickSS' info, the LSD part he purchased and ZZP successfully fitted has a part number of QDF21B, which seems to be confirmed as an option by Quaife.

Search: f40, Cars, Differentials - Quaife Engineering

Hey, I just wanted to add my .02

The LSD part number I ordered and zzp fitted is Qdh9j which is for the Saab. The QDF21B is for a vauxhall which I don't believe we can use.
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Old 05-31-2013, 07:56 AM   #74
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Originally Posted by A8r9b View Post
Hey, I just wanted to add my .02

The LSD part number I ordered and zzp fitted is Qdh9j which is for the Saab. The QDF21B is for a vauxhall which I don't believe we can use.
This is interesting, somehow I think both might work, QDF21B is the one I had installed and is working, curious on when you had yours installed, mine was done the week of May 6th of this year, ZZP said nothing of any issues when they installed it and I have no problems with it.
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Old 05-31-2013, 12:32 PM   #75
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Quote:
Originally Posted by A8r9b View Post
Hey, I just wanted to add my .02

The LSD part number I ordered and zzp fitted is Qdh9j which is for the Saab. The QDF21B is for a vauxhall which I don't believe we can use.
I just got an email back from Tim at ZZP and he said I was the first and last so far to have this done, so not sure which ZZP you are refering too, enlighten if you will?
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