limited slip?

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Feb 1, 2013 | 11:44 AM

#16

oracle

Mountain Pass

Joined: Aug 2008

Posts: 133

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ahh.... Thanks for the explanation. I'm glad my truck has it

Feb 2, 2013 | 09:05 AM

#17

Enduroman

Mountain Pass

Joined: Oct 2008

Posts: 212

Likes: 0

From: Okanagan Valley, BC

Quote:

Originally Posted by redford

It is easier just to read your door sticker, under AXLE. Look closer, D1 is not a choice. 3L maybe, or 41?

AXLE CODES:

37- 3.73

3L- 3.73 LS

41- 4.10

4N- 4.10 LS

43- 4.30

4L- 4.30 LS

48- 4.88

8L- 4.88 LS

53- 5.38

5L- 5.38 LS

Thanks Redford and others. Its a 2003 (May) F350 Crew Cab 6.0. Here's the placard. I guess the only risk with this method is that the axel could have been changed before I got the truck. Unlikely, but possible.

Feb 2, 2013 | 09:14 AM

#18

Enduroman

Mountain Pass

Joined: Oct 2008

Posts: 212

Likes: 0

From: Okanagan Valley, BC

Just scrolled farther down on drivetrain.com (thx sammie) and see the D1. "Limited Slip Differential 3.73". Assuming that it hasn't been changed since new, should I use the 75W140 Synthetic Oil in it? Ford talked me into 2 containers of the Limited Slip stink juice too.

Feb 2, 2013 | 10:03 AM

#19

sammie0126

Postmaster

Joined: Aug 2012

Posts: 2,737

Likes: 23

From: Westfield, Indiana

Quote:

Originally Posted by Enduroman

Yes 75W140 with limited slip additive, spec is 2 oz of the additive, but check that to be sure.

Or use Royal Purple which has additive already included. I have the V423B in my truck very similar to yours and I use Royal Purple 75W140 holds about 2 1/2 quarts and I do not have any additional LS additive in it.

Jun 18, 2014 | 01:57 PM

#20

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

Quote:

Originally Posted by Yahiko

Redford.
Thank You for posting that.

To answer the question on what the LS is good for.
Lest say you get on some slick stuff on one side if you have a LS
then the other side would get some traction if you did not then you would
just sit there and spin one wheel.

Sean

Mine says C1 any Ideas?

Jun 18, 2014 | 02:03 PM

#21

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

axle

Jun 18, 2014 | 02:05 PM

#22

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

axle

and 8800lbs means 3/4 ton right?

Jun 18, 2014 | 02:43 PM

#23

RickF350

Senior User

Joined: Mar 2005

Posts: 407

Likes: 1

From: Richland, WA

Quote:

Originally Posted by Rickey Joe

and 8800lbs means 3/4 ton right?

Gross Vehicle Weight Rating (GVWR). 8800lbs is the maximum Gross Vehicle Weight (GVW ) specified by Ford for your truck plus its load.

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Jun 18, 2014 | 03:01 PM

#24

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

C1 Axle code

Quote:

Originally Posted by Rickey Joe

Mine says C1 any Ideas?

I found it. Mine is the C1 — 3.73 limited slip, F-250/Excursion thank you for your support.

Jun 18, 2014 | 03:03 PM

#25

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

Quote:

Originally Posted by RickF350

Gross Vehicle Weight Rating (GVWR). 8800lbs is the maximum Gross Vehicle Weight (GVW ) specified by Ford for your truck plus its load.

and " rickf350" Thank You for your support..

Jun 18, 2014 | 03:39 PM

#26

RickF350

Senior User

Joined: Mar 2005

Posts: 407

Likes: 1

From: Richland, WA

OK, let me try again. GVWR 8800lb = Ford saying that your truck and its load can not safely weigh more than 8800 lbs.

Jun 18, 2014 | 04:43 PM

#27

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

ton

Quote:

Originally Posted by RickF350

OK, let me try again. GVWR 8800lb = Ford saying that your truck and its load can not safely weigh more than 8800 lbs.

Yes sir. I understood the first time...........What I was wondering is if MY Truck is indeed a 3/4 ton? I do not know how to tell if it is or not.

Jun 18, 2014 | 05:23 PM

#28

RickF350

Senior User

Joined: Mar 2005

Posts: 407

Likes: 1

From: Richland, WA

Quote:

Originally Posted by Rickey Joe

Yes sir. I understood the first time...........What I was wondering is if MY Truck is indeed a 3/4 ton? I do not know how to tell if it is or not.

Oh,OK.

Check your vin here VIN Decoder | fleet.ford.com

Jun 18, 2014 | 05:43 PM

#29

Rickey Joe

Freshman User

Joined: Jun 2014

Posts: 33

Likes: 0

Thank You Very muck....You have been verry helpfull

Jun 18, 2014 | 06:26 PM

#30

asdrew

Tuned

Joined: Apr 2010

Posts: 262

Likes: 0

From: Clermont, Florida

Quote:

Originally Posted by oracle

Sorry for the hijack of the thread but is it a good thing to have LS in a truck?
What are the advantages/disadvantages?

Back in my country boy days, I saw many many trucks stuck with only one (2wd) or two (4wd) wheels turning. My Bronco had a trac-lok rear end and LS in the front. I could throw 4 rooster tails as I drove by every time.

I will always have LS or a locking differential to increase the chances of not being stuck (btw it WAS possible to get stuck in that Bronco, just farther into things - just sayin

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