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-   -   Jaguar / Dana 44 LSD drive shafts (http://www.clubcobra.com/forums/all-cobra-talk/105710-jaguar-dana-44-lsd-drive-shafts.html)

Chris L 07-20-2010 03:11 AM

Jaguar / Dana 44 LSD drive shafts
 
Hello to everyone;

Can someone please point me in a direction where I may be able to buy some 30 spline drive shafts to suit a Jaguar / Dana 44 IRS to enable a truetrac or similar locker to be fitted to the rear of my Cobra. I have a series 1 Salisbury Jaguar lsd diff and it has a 19 spline set up and a 3;54 ratio. I only wish to change the spline teeth and diameter/bearings if thats possible.
Maybe there is a custom shop that may specialise in a request like this, need some answers in a hurry.......thanks in advance.

Chris L
Australia

strictlypersonl 07-20-2010 04:05 AM

Mark Williams Enterprises.
http://www.markwilliams.com/

Chris L 07-20-2010 05:41 AM

Sorry fellas, I should mention that these are the Inner drive shafts that exit each side of the diff, not the ones splined in the Hub. I basically need a 30 spline conversion.

Cheers
Chris

strictlypersonl 07-20-2010 07:56 AM

My answer still stands. That's where we get our HD stub axles. Give M.W. a call.

I think that the only other source might have been Concours West, but I believe Mike has closed up shop.

RICK LAKE 07-20-2010 10:00 AM

what spline are you running now?
 
ChrisL Chris CWI used to have a kit for converting over from 27 stub shafts to 30 spline. I have had jeeps my whole life and know that there are 4 different carriers for the Dana 44 housing or Salibury Jag. This is what I did to my rearend to convert to a 30 spline setup. I brought a 30 spline locker for series 2 gears. 307-373 ratio. I got a detroit locker for mine. I have 3.31 gears. The holes in the locker nedded to get enlarged because of the different size bolts for the ring gears. You can drill or mill the holes in the carrier. I got the stub shafts and seals from CWI. cost $900.00 about 12 years ago. Here's the only catch I found, CWI was having the shafts made downunder. The metal was not of correct hardness. CWI ended up going to Mark Williams for there axles. The only thing I will tell you is to add a rear cap support for the carrier caps from LPW. Get a set of 200 wear thread tires and you will not break this rearend. Adding slicks, you are looking at breakage. I have a 600ft pound motor on the rearend that is 12 years old. Have had to replace the seals on the r/s once. No 5 grand hole shots. The rest is easy. Rick L.

Cobra #3170 07-20-2010 02:18 PM

30 spline set up
 
If you are interested in just converting to a locker I have both a Detroit Soft LOCK and a Torsen locker for a Dana 44 with 19 spline stub axles and 3.31 gears. They are both in excellent condition with just test runs on them. I know you are looking to convert to 30 spline but this could be a cheaper alternative. I have 652 LB/Ft of torque and have not twisted a 19 spline stub shaft off yet.

I went back to the stock Salisbury LSD because it worked better than the other lockers I tried.





Quote:

Originally Posted by Chris L (Post 1065750)
Hello to everyone;

Can someone please point me in a direction where I may be able to buy some 30 spline drive shafts to suit a Jaguar / Dana 44 IRS to enable a truetrac or similar locker to be fitted to the rear of my Cobra. I have a series 1 Salisbury Jaguar lsd diff and it has a 19 spline set up and a 3;54 ratio. I only wish to change the spline teeth and diameter/bearings if thats possible.
Maybe there is a custom shop that may specialise in a request like this, need some answers in a hurry.......thanks in advance.

Chris L
Australia


RoyTheBoy 07-20-2010 05:16 PM

Quote:

Originally Posted by Chris L (Post 1065750)
Hello to everyone;

Can someone please point me in a direction where I may be able to buy some 30 spline drive shafts to suit a Jaguar / Dana 44 IRS to enable a truetrac or similar locker to be fitted to the rear of my Cobra. I have a series 1 Salisbury Jaguar lsd diff and it has a 19 spline set up and a 3;54 ratio. I only wish to change the spline teeth and diameter/bearings if thats possible.
Maybe there is a custom shop that may specialise in a request like this, need some answers in a hurry.......thanks in advance.

Chris L
Australia

Hi Chris,

Can I ask why you are looking at upgrading to 30 spline axles? Are you drag racing your car or is it a Track build. I notice that a lot of the Guys here in Australia are running 19 spline axles with reasonably high HP. At 1100 or so Kilos in weight you would have to "treating her rough" to break anything.
Having said that... have a look here - http://www.reiderracing.com/

Regards

Roy P.

Chris L 07-21-2010 02:52 AM

Thanks for the input fellas , have made some enquiries with limited success.

HOWEVER COULD ( BRUCE ? ) COBRA#3170 please contact me at chrisandmelissa17@bigpond.com.

I am interested in your detroit soft locker if you wish to unload it. The part number I have here in Australia is 187SL12B for that item.

Regards and thanks
Chris L

jagirs 09-24-2016 02:56 PM

Quote:

Originally Posted by Chris L (Post 1065750)
Hello to everyone;

Can someone please point me in a direction where I may be able to buy some 30 spline drive shafts to suit a Jaguar / Dana 44 IRS to enable a truetrac or similar locker to be fitted to the rear of my Cobra. I have a series 1 Salisbury Jaguar lsd diff and it has a 19 spline set up and a 3;54 ratio. I only wish to change the spline teeth and diameter/bearings if thats possible.
Maybe there is a custom shop that may specialise in a request like this, need some answers in a hurry.......thanks in advance.

Chris L
Australia

Hi,

Check out jheenginieering.com. They are developing 30 spline stub axles.

jagirs

jagirs 09-24-2016 02:58 PM

that's jheengineering.com....typo

patrickt 09-24-2016 04:12 PM

Quote:

Originally Posted by jagirs (Post 1404290)
that's jheengineering.com....typo

Thanks, note that this was a rather old thread. That said, I recognized their "Tech Tips" JH Engineering - Tech Tips for your Jag IRS Differential as being a direct rip from this page on Coventry West Dealing with your Jaguar Differential | Coventry West -- wonder how that happened?:cool:

joyridin' 09-24-2016 06:55 PM

I was just going to purchase some new 19 spline axles and I broke 1 and the other is twisted to the point of breaking.

Hopefully these are reasonably priced.

lal Naja 09-27-2016 05:44 PM

Quote:

Originally Posted by joyridin' (Post 1404302)
I was just going to purchase some new 19 spline axles and I broke 1 and the other is twisted to the point of breaking.

Hopefully these are reasonably priced.

Is this a result of the LS?

Arthur

joyridin' 09-28-2016 05:29 AM

Quote:

Originally Posted by lal Naja (Post 1404549)
Is this a result of the LS?

Arthur

LOL...this was the result of adding another 140 hp to the LS. Having 50 year old axles probably didn't help either. Weakest link type of situation.

I called this facility and he will not sell axles. He wants you to send your whole center section to him and he will put in new gears, LSD unit, bearing, and the axles. Those axles will probably cost you $2k or more when done. It will be a pretty hefty unit when done if you haven't touched your original assembly. I can have them made for probably $600 each as everything else has already been replaced.

joyridin' 09-30-2016 12:33 PM

Thought this was interesting. I had the original axles material tested and rockwell tested today.

Material is: 1215
HRc: 41-44 on surface, tester would not go low enough for inside (case hardened)

Morris 09-30-2016 02:14 PM

Quote:

Originally Posted by Cobra #3170 (Post 1065869)
I went back to the stock Salisbury LSD because it worked better than the other lockers I tried.

Bruce

We used a Salisbury in our Corvette when we raced and it was great .... but we had to pay attention to the break away torque and shim it up for every race... the Brake away torque that worked the best was 150# and it was great on Corner entry and smooth transition to power at the apex.... but it required us to go thru it every race so lot's of maintenance.... but it is a much better diff then many know....

Morris

RockBit 09-30-2016 03:01 PM

Quote:

Originally Posted by joyridin' (Post 1404837)
Thought this was interesting. I had the original axles material tested and rockwell tested today.

Material is: 1215
HRc: 41-44 on surface, tester would not go low enough for inside (case hardened)

If they are 1215 then that explains why they broke. 1215 is a resulphurized free machining steel which is not suitable for structural applications. It has very low strength and harden ability. Make sure the replacements are made from 4340 or 9310 series.

joyridin' 09-30-2016 03:19 PM

Quote:

Originally Posted by RockBit (Post 1404858)
If they are 1215 then that explains why they broke. 1215 is a resulphurized free machining steel which is not suitable for structural applications. It has very low strength and harden ability. Make sure the replacements are made from 4340 or 9310 series.

Yeah..I was scratching my head at that one. We tested it 3 times to make sure it was correct. I can't figure out how they made it 50 years without breaking!

RockBit 10-01-2016 06:04 AM

Quote:

Originally Posted by joyridin' (Post 1404862)
Yeah..I was scratching my head at that one. We tested it 3 times to make sure it was correct. I can't figure out how they made it 50 years without breaking!

Apparently the case hardening gave them some strength, which you exceeded with your current power level.


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