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Old 11-26-2018, 06:09 PM   #1
poulrais
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Default CDxxx on Volvo 740 + Infinity G37 driveshaft

Anyone thought about modifying an Infinity G37 to put a CD009 in a Volvo 7xx/2xx? I picked up this complete driveshaft with the front slip yoke and I think I'll give it a try. It's a 2 piece but much bigger and a little bit longer than the 960 driveshaft pictured below besides the G37.

I don't remember if the long part from the Volvo's goes in front or in the back though!

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Old 11-26-2018, 07:14 PM   #2
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Anyone thought about modifying an Infinity G37 to put a CD009 in a Volvo 7xx/2xx? I picked up this complete driveshaft with the front slip yoke and I think I'll give it a try. It's a 2 piece but much bigger and a little bit longer than the 960 driveshaft pictured below besides the G37.

I don't remember if the long part from the Volvo's goes in front or in the back though!

The long part goes at the back, the short part with the bearing goes at the front.
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Old 11-26-2018, 10:12 PM   #3
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The long part goes at the back, the short part with the bearing goes at the front.
Ok so reverse from the G37 driveshaft and the center bearing resides much more towards the back than for the Volvo driveshaft.
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Old 11-27-2018, 09:19 AM   #4
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Why not just have a driveshaft shop cut the volvo front shaft to the right length? Was really cheap, 85 USD. He even pressed on the new carrier bearing for me.
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Old 11-27-2018, 10:02 AM   #5
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Ok so reverse from the G37 driveshaft and the center bearing resides much more towards the back than for the Volvo driveshaft.
The diff doesn't need to go up and down on the G37.
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Old 11-27-2018, 10:29 AM   #6
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The diff doesn't need to go up and down on the G37.
So this one could act like a one piece? Problem is that the slip yoke isn't in the middle.
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Old 11-27-2018, 10:29 AM   #7
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Why not just have a driveshaft shop cut the volvo front shaft to the right length? Was really cheap, 85 USD. He even pressed on the new carrier bearing for me.
I don't want to put 700 whp through a Volvo driveshaft...
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Old 11-27-2018, 10:31 AM   #8
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The diff doesn't need to go up and down on the G37.
I've had this IRS project in the back of my head for awhile... Maybe it's time to bite the bullet?
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Old 11-27-2018, 10:33 AM   #9
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The guy in Finland puts 700hp thru his stock driveshaft. I'm not concerned.
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Old 11-27-2018, 10:39 AM   #10
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The guy in Finland puts 700hp thru his stock driveshaft. I'm not concerned.



Good for him, but I am concerned...

Some guys also jump off cliffs wearing a wing suit. Most of the times they survive the flight. Sometimes they don't.
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Old 11-27-2018, 10:51 AM   #11
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Probably more depends on what sort of tires you put back there. Too much HP through 'normal' tires (size and composition) and the excess HP just turns into smoke. If you put something really sticky and wide back there, you'll need to worry about the rear suspension and differential as well as the driveshaft.
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Old 11-27-2018, 11:06 AM   #12
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Quote:
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I don't want to put 700 whp through a Volvo driveshaft...


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Good for him, but I am concerned...

Some guys also jump off cliffs wearing a wing suit. Most of the times they survive the flight. Sometimes they don't.
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Old 11-27-2018, 11:08 AM   #13
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Probably more depends on what sort of tires you put back there. Too much HP through 'normal' tires (size and composition) and the excess HP just turns into smoke. If you put something really sticky and wide back there, you'll need to worry about the rear suspension and differential as well as the driveshaft.
I will probably end up with 285's in the back...
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Old 11-27-2018, 11:08 AM   #14
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I was planning on (initially) just having my 1-pc T5 driveshaft modified for the CD009. If/when I go to the Ford 8.8 in the rear I was planning on having a custom 2-pc made.
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Old 11-27-2018, 11:16 AM   #15
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I was planning on (initially) just having my 1-pc T5 driveshaft modified for the CD009. If/when I go to the Ford 8.8 in the rear I was planning on having a custom 2-pc made.
I want this to be a lapping track car and not a drag race car. So an IRS rear end would be nice to have imo.
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Old 11-27-2018, 12:20 PM   #16
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I have this one on my Lemons 745.

https://yoshifab.com/store/7/9-serie...riveshaft.html
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Old 11-27-2018, 05:24 PM   #17
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Something like that would give me the IRS as well as the Ford 8.8 at the same time...

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Old 11-29-2018, 12:08 PM   #18
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One thing I remember now, the Nissan drive shaft is designed to stretch at the connection of the driveshaft to the transmission, while the Volvo has the stretch point in the middle. For the 7xx the shifter needs to be at the tail of the transmission, right about where the front yoke will be. It is very tight in there, and early shifter designs were hitting the yoke under downshifts into 2nd/4th. The connection point from the shifter to the shift rod on the transmission had to be changed, and the front half of the drive shaft needed to be modified to not move as much.

Even if you go with an IRS, I think you still need some stretch in the drive line. Just plan your shifter so that it doesn't hit the yoke at full stretch. The Nissan transmission is a little shorter than an M46, so the extra length might be good.

If I knew how to post pictures, I could show you the M46/CD009 side by side as well as where the shifter ends up on the 745.
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Old 11-30-2018, 12:08 AM   #19
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One thing I remember now, the Nissan drive shaft is designed to stretch at the connection of the driveshaft to the transmission, while the Volvo has the stretch point in the middle. For the 7xx the shifter needs to be at the tail of the transmission, right about where the front yoke will be. It is very tight in there, and early shifter designs were hitting the yoke under downshifts into 2nd/4th. The connection point from the shifter to the shift rod on the transmission had to be changed, and the front half of the drive shaft needed to be modified to not move as much.

Even if you go with an IRS, I think you still need some stretch in the drive line. Just plan your shifter so that it doesn't hit the yoke at full stretch. The Nissan transmission is a little shorter than an M46, so the extra length might be good.

If I knew how to post pictures, I could show you the M46/CD009 side by side as well as where the shifter ends up on the 745.

I have the CD009 in my garage as well as a Serial Nine shifter relocator and the Infinity G37 driveshaft. I'll check for clearances over the weekend and will report back.

I found a complete S14 rear diff setup with the subframe/axles and brakes for $500 CAD. I think I'm going to buy it.
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Old 12-02-2018, 02:28 PM   #20
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I love what you're thinking here. I've been looking around for the driveshaft lengths to see if it's a possibility. I'm dealing into a 760 with IRS, so no issue with not having a slip yoke. Have you measured the overall length from the front of the cd009 to the end of the driveshaft mounting flange? Is it close to what we need?
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Old 12-03-2018, 10:14 AM   #21
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I love what you're thinking here. I've been looking around for the driveshaft lengths to see if it's a possibility. I'm dealing into a 760 with IRS, so no issue with not having a slip yoke. Have you measured the overall length from the front of the cd009 to the end of the driveshaft mounting flange? Is it close to what we need?
I will measure up the length this week and will report back. I also have to check the clearance between the Serial Nine shifter relocator and the universal joint just after the slip yoke...
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Old 12-04-2018, 09:39 PM   #22
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Measurements were taken:

https://forums.tbforums.com/showpost...3&postcount=55
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Old 12-05-2018, 12:33 AM   #23
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You could have used a proper unit of measurement.

Jeez!
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Old 12-05-2018, 02:52 AM   #24
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You could have used a proper unit of measurement.

Jeez!
The metric system is for terrorists and losers.
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Old 12-05-2018, 08:00 AM   #25
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Quote:
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You could have used a proper unit of measurement.

Jeez!
I have to speak the language of the inferiors...
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