Ok im finally doing my gears. Lets make sure I have everything I need.

The Green GT · Dec 5, 2006

Ok, Im going with some 3.73's and I just want to make sure I have everything. I wont be ordering them for a few weeks but if i have enough money by then ill also get some superior 28 spline axles.

This is what im getting so far:
Ford Racing 3.73's
http://www.buyfordracing.com/shop/product_info.php?products_id=459
Install kit (we have non-IRS rear ends right?)
http://www.buyfordracing.com/shop/product_info.php?products_id=463
Trac Lock rebuild kit
http://www.buyfordracing.com/shop/product_info.php?products_id=464

And if money allowws Ill get superior 28 splines. I would get a 31 spline setup but I know money wont allow that right now. Then ill also get a better diff cover if i can. But Ill more than likely end up getting just the three things listed there + the oil. Am I missing anything?

Voice of Reason · Dec 5, 2006

The Green GT said:
Install kit (we have non-IRS rear ends right?)
http://www.buyfordracing.com/shop/product_info.php?products_id=463

Uhh, is this a trick question?? If not don't bother buying all that stuff yourself, just take your car to a shop and tell them you want Ford Racing 3.73s installed and they'll get everything they need. You'll save yourself a lot of headache.

The Green GT · Dec 5, 2006

What do you mean is that a trick question? There are kits for IRS rear ends and NON-IRS rears. It may be a dumb question but its a question. and Im not bringing it to a shop and paying them for parts too. They will take me to the cleaners. Its not alot of headache, its a few simple questions.

Adam95GT · Dec 5, 2006

No we do not have independent rear suspension... i think IIRC the 03 cobras did... we dont.... But make sure to take some pics for me man!!! ill be getting a set myself soon.
to doing it your self and good luck

The Green GT · Dec 5, 2006

Adam95GT said:
No we do not have independent rear suspension... i think IIRC the 03 cobras did... we dont.... But make sure to take some pics for me man!!! ill be getting a set myself soon.
to doing it your self and good luck

Thanks. I wasnt sure what IRS meant but I was pretty sure it was that. So can anyone think of anything else Ill need.

Adam95GT · Dec 5, 2006

NP you might wanna check my facts though... i never like to be a deciding factor... considering ive only been in the stang relm a few months lol

The Green GT · Dec 5, 2006

Im pretty sure IRS means independant rear.

And I think all Ill need to do besided this is see if the lube Im using requires a friction modifier. Anyone know if Royal Purple requires it?

1TallMF · Dec 5, 2006

All I could think of that you would need are some specialty tools, like a dial indicator so you can measure you back-lash and whatnot. A good torque wrench is a must when bolting-up the ring gear to the carrier, and for the carrier bolts. You'll need to have the pinnion bearing pressed-on by a shop (unless you have access to one). Might want to pick up some of that pasty stuff (not sure what its called) that you put on the contact face of the gears, to check for a proper contact area. Thats all that came to mind for now. Good luck

And yes, IRS means indepentant rear suspension, which we don't have.

The Green GT · Dec 5, 2006

1TallMF said:
All I could think of that you would need are some specialty tools, like a dial indicator so you can measure you back-lash and whatnot. A good torque wrench is a must when bolting-up the ring gear to the carrier, and for the carrier bolts. You'll need to have the pinnion bearing pressed-on by a shop (unless you have access to one). Might want to pick up some of that pasty stuff (not sure what its called) that you put on the contact face of the gears, to check for a proper contact area. Thats all that came to mind for now. Good luck

And yes, IRS means indepentant rear suspension, which we don't have.

Im getting someone else to do it for me, so they have all the tools. And I know we dont have IRS, I jsut wasnt sure what it stood for.

mo_dingo · Dec 5, 2006

I would also buy a 2-pack of crush collars (called bearing spacers) from napa. That way if you over torque the pinion nut you can re-do it w/o having to go to the parts store.

If they are measuring both backlash and pinion depth, you should be just fine. Nothing to worry about then.
scott

smitty_64 · Dec 6, 2006

And a speedometer gear made for the 3.73's, otherwise you'll think you're flying. And a twelve pack of beer to celebrate the torque difference between 2.73 and 3.73, LOLLOL.

The Green GT · Dec 6, 2006

smitty_64 said:
And a speedometer gear made for the 3.73's, otherwise you'll think you're flying. And a twelve pack of beer to celebrate the torque difference between 2.73 and 3.73, LOLLOL.

The white 23 tooth right? And do i need to get anything lese to change this? Or can i reuse the retaining clip? Ill prolly get another one since they are only like $2.

inphiniti · Dec 6, 2006

man ur a n00b, not knowin what IRS stood far... lol jk... good luck with the install

btw, if we do gears, dont we need to get a speedcal as well?

The Green GT · Dec 6, 2006

inphiniti said:
man ur a n00b, not knowin what IRS stood far... lol jk... good luck with the install

btw, if we do gears, dont we need to get a speedcal as well?

Speedcal OR the new speedo gear. And since they are $100 vs $10... well

Voice of Reason · Dec 6, 2006

The Green GT said:
Speedcal OR the new speedo gear. And since they are $100 vs $10... well

Just a word of caution. A new speedo gear will not get you 100% accurate if you're going with anything higher than 3.55s. The white 23 tooth will correct up to a 3..5, so 3.73s or 4.10s will still be off.

The Green GT · Dec 6, 2006

Voice of Reason said:
Just a word of caution. A new speedo gear will not get you 100% accurate if you're going with anything higher than 3.55s. The white 23 tooth will correct up to a 3..5, so 3.73s or 4.10s will still be off.

Yea, I know it will be off some. But For now it will do. Ill get a speedcal later down the road. Can I use the speed cal with the 23 tooth or will I need to save my original one for the speedcal?

RIO5.0 · Dec 6, 2006

Get the new axle seals and a pinion seal..you might as well em replace while its apart..cheap money for all of em...If you see any signs of oil when you pull the axles then their on the way out anyway..never mind you can damage the rubber when pulling the axles out...

drakesdad · Dec 6, 2006

RIO5.0 said:
Get the new axle seals and a pinion seal..you might as well em replace while its apart..cheap money for all of em...If you see any signs of oil when you pull the axles then their on the way out anyway..never mind you can damage the rubber when pulling the axles out...

I was about to post the same and looked.....axle seals are definate while you have it apart and you may want to price the abs sensor your about to break....I paid $42.00 from Napa......

drakesdad · Dec 6, 2006

The Green GT said:
Im pretty sure IRS means independant rear.

And I think all Ill need to do besided this is see if the lube Im using requires a friction modifier. Anyone know if Royal Purple requires it?

I bought a bottle for 8 bucks from a dealer.....let them know if you are using synthetic or not....they have both...

RIO5.0 · Dec 6, 2006

drakesdad said:
I was about to post the same and looked.....axle seals are definate while you have it apart and you may want to price the abs sensor your about to break....I paid $42.00 from Napa......

Thought I did a delete to my post as I seen he bought the install kit...I figured the seals would be in there??
10-4 on the freakin reluctors to..never have good luck with those myself...

Ok im finally doing my gears. Lets make sure I have everything I need.

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