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F 250: Limited slip questions.

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Old 02-22-2010
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F 250: Limited slip questions.

With the recent snow that we had here and needing 4x4 to get around my driveway in all vehicles for the last 2+ weeks, I'd like to change out the open rear on our '05 F250. I don't think that a locker is what I'm looking for, as I am not going to need it much and I'd rather not have to hit a switch to have the ability for both wheels to turn.

Is there an axle that I could look for in junk yards that might have the limited slip already installed like on the Ranger? If so, what would I look for? If I have to buy one, what are some decent/inexpensive brands for the limited slip, and where is a good place to buy from?
 
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Old 02-22-2010
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A quick google search shows this. Hope it helps.

From the Ford Service manual for 2003:


The following lists the gear ratios on rear axles.

31 — 3.73 non-limited slip, F-250/Excursion
32 — 4.10 non-limited slip, F-250
41 — 3.73 non-limited slip, F-350
61 — 3.73 non-limited slip, F-350
73 — 4.30 non-limited slip, F-450
75 — 5.38 non-limited slip, F-450
78 — 4.88 non-limited slip, F-450
81 — 3.73 non-limited slip, F-350
88 — 4.88 non-limited slip, F-350
95 — 5.38 non-limited slip, F-550
98 — 4.88 non-limited slip, F-550
C1 — 3.73 limited slip, F-250/Excursion
C2 — 4.10 limited slip, F-250/Excursion
C3 — 4.30 limited slip, F-250/Excursion
D1 — 3.73 limited slip, F-350
D2 — 4.10 limited slip, F-350
D3 — 4.30 limited slip, F-350
E2 — 4.10 limited slip, F-350
E3 — 4.30 limited slip, F-350
EW — 4.10 limited slip, F-350 (ambulance package)
F1 — 3.73 limited slip, F-350
F2 — 4.10 limited slip, F-350
F6 — 4.56 limited slip, F-350
G3 — 4.30 limited slip, F-450
G5 — 5.38 limited slip, F-450
G8 — 4.88 limited slip, F-450
GW — 4.88 non-limited slip, F-450 (wide frame)
K5 — 5.38 limited slip, F-550
K8 — 4.88 limited slip, F-550
KW — 4.88 non-limited slip, F-550 (wide frame)
source
 
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Old 02-22-2010
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Awesome, I didn't know they came with limited slip. Now to find what gear ratio I have and see what's around the local junk yards. Thanks.

I'm still interested in what else is out there after market if anybody can tell me about those.
 
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Old 02-22-2010
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I'd check out the detroit true trac at completeoffroad.com I think its around $500. Not cheap but they are good units. Your 250 has the 10.5" rearend right?
 
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Old 02-22-2010
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Originally Posted by RazorsEDGE View Post
I'd check out the detroit true trac at completeoffroad.com I think its around $500. Not cheap but they are good units. Your 250 has the 10.5" rearend right?
I think it does, sh*t's got alot of bolts.
 
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Old 02-22-2010
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Originally Posted by winks View Post
With the recent snow that we had here and needing 4x4 to get around my driveway in all vehicles for the last 2+ weeks, I'd like to change out the open rear on our '05 F250. I don't think that a locker is what I'm looking for, as I am not going to need it much and I'd rather not have to hit a switch to have the ability for both wheels to turn.

Is there an axle that I could look for in junk yards that might have the limited slip already installed like on the Ranger? If so, what would I look for? If I have to buy one, what are some decent/inexpensive brands for the limited slip, and where is a good place to buy from?
What rear axle do you have again? 10.5" or is it the dana 60?

Oh nevermind you just posted it lol
 
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