Open diff SUCKS

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Old 02-07-2010, 04:20 AM
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Open diff SUCKS

Well tonight while at work I got stuck in a culvert. The drive wheel was spinning in wet clay (filled the rain channels in the tire so it was slick as hell) while my non-spinning tire was firmy planted on cement from those water pipe openers. It took me 30 minutes but I finally got her out. Come hell or high water, this truck is getting its rear-end replaced with a 3.55 LSD with some disc brakes one day.

/rant
 
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Old 02-07-2010, 04:50 AM
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OMFG same thing happened to me man lmao. Mines a 04-08 body style with 3:55 open diff. I freaking hate it man. Swaping to 4:10s with ls when i get the chance. Hows that v6 do? I have a 4.6 v8 but i heard a pretty sweet v6 pass me today that looked like yours.
 
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Old 02-07-2010, 05:42 AM
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love my 3.55 LS im looking for a 4.10 LS raptor if ya want ill sell ya mine when i get my new one
 
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Old 02-07-2010, 08:50 AM
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Do the 4x4's have limited slip diff's by default?
 
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Old 02-07-2010, 10:34 AM
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Open diff and a light rear end is a bad combo.
 
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Old 02-07-2010, 10:45 AM
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poor raptor. haha. open diff is just something were gonna have to deal with cuz its an expensive swap.

and 429 boss youd be very surprised how these v6's do with the manual trans. im running 3.08 gears and 35"s and the guy that test drove the truck after getting it aligned yesterday said it has great power for a v6 let alone on 35"s
 
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Old 02-07-2010, 11:43 AM
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Originally Posted by linusb212
Do the 4x4's have limited slip diff's by default?
no, sometimes they still have an open rear end.

RAPTOR: we want pictures.... or you know the saying
 
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Old 02-07-2010, 12:34 PM
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Thanks Trimble...I just went and ran my codes to see what in fact I do have.

3.31 Gearing with Open Differential with E4OD/4R100 Tranny

That gearing is kind of tall huh? Especially if I have hopes of going to 35's?
 
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Old 02-07-2010, 12:43 PM
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Originally Posted by linusb212
Thanks Trimble...I just went and ran my codes to see what in fact I do have.

3.31 Gearing with Open Differential with E4OD/4R100 Tranny

That gearing is kind of tall huh? Especially if I have hopes of going to 35's?
are you sure about the trans?

I thought all the auto's were 4r70w

and the gearing isnt great for 35's you would be better off with 4.10's-4.56's which is a lower gear
 
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Old 02-07-2010, 12:52 PM
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alot of 5.4 expys got the 4R100 due to the extra weight.

I have an open diff too, and in that same situation, parked half in a ditch half in the street, then it rained, i just crawled out of it (no gas pressure or light gas pressure) and it made it out just fine
 
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Old 02-07-2010, 12:57 PM
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love my ls 4.10 disc brakes...
 
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Old 02-07-2010, 01:04 PM
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Originally Posted by illness95
love my ls 4.10 disc brakes...
no one likes a show off

but while we are at it...

love my 5.38 locked disc brakes
 
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Old 02-07-2010, 01:05 PM
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Yeah, I'm reasonably sure after doing some research:
http://www.vibratesoftware.com/html_...atios_Main.htm

My door placard shows code 17 for gears and "E" for the transmission.

Axle Codes
L - Limited Slip Differential
C - Conventional Differential
Code Ratio
15 3.31C
16 3.73C
17 (1997) 3.73C
17 (1998) 3.55C
17 (1999-2002) 3.31C
19 3.55C
H5 3.31L
H6 3.73L
H7 3.31L
H9 3.55L

Transmission Codes
Code Model
B 4R75E
C 6R75
E E4OD/4R100
F 6HP26
G 6HP26
U (1997-2002) AOD
U (2003-2004) 4R70W
W 4R75W

Some more info here from Wikipedia:
E4OD

The C6 was replaced by the E4OD which was modified to include a fourth forward speed and electronic shift controls, replacing the hydraulic control mechanism of the C6.

Applications:

* 1990–1996 Ford Bronco
* 1989–1998 Ford E-Series
* 1997–1998 Ford Expedition
* 1989–1998 Ford F-Series

[edit] 4R100

The E4OD was updated in 1998. Ford renamed it the 4R100 in keeping with new naming standards. It was largely the same as the E40D, but with some reinforcements to address reliability concerns.

Applications:

* 1999–2003 Ford Super Duty
* 1999–2003 Ford Expedition (with 5.4 V-8)
* 2000–2003 Ford Excursion
* 1997–2004 Ford E-Series

So the 4R100 is a pretty good tranny I take it?
 
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Old 02-07-2010, 01:09 PM
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the 4r100 is a much better tranny then the 4r70w
 
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Old 02-07-2010, 01:17 PM
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Originally Posted by 4.2trimble
no one likes a show off

but while we are at it...

love my 5.38 locked disc brakes
yea but your truck came with disc brakes..lol
 


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