350/450 diffs
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Junior User
Joined: Sep 2003
Posts: 85
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From: Calgary
350/450 diffs
Hey, I have an f450 with 4.88's and I have a friend with an F350 dually with 4.10's. I wanted to swap to 4.10's and he wants to swap to 4.88's. Both trucks have Dana 60 fronts and dana 80 rears. The 450 has the larger diameter bolt pattern for the wheels and larger brakes of course. Are these diffs swappable? I believe on the dana 60 fronts that we can simply swap the dually hubs and spindles...is this correct?
I know that the dana 80 in an F450 is narrower than the 350 but I'm not sure if the width is caused by the differences in hubs or if the actually housing is different? I know we'd have to swap the outer hubs and caliper mounts because of the difference in wheels/brakes. Are there any issues that would keep us from doing this swap?
It seems like a huge waste of time and money for both of us to have to pull our ring and pinions out and pay to have them set-up when they are already set-up just in the wrong trucks!
Anyone have any input on this?
I know that the dana 80 in an F450 is narrower than the 350 but I'm not sure if the width is caused by the differences in hubs or if the actually housing is different? I know we'd have to swap the outer hubs and caliper mounts because of the difference in wheels/brakes. Are there any issues that would keep us from doing this swap?
It seems like a huge waste of time and money for both of us to have to pull our ring and pinions out and pay to have them set-up when they are already set-up just in the wrong trucks!
Anyone have any input on this?
Posting Guru
Joined: Aug 2001
Posts: 1,533
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You are SOL the Dana 80 used in the F-450 is a heavy duty version the parts are different. Why would you want 4:10s in a F-450 ya you are from Alberta where the roads are flat but 4:10s will make the truck really gutless.
Thread Starter
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Junior User
Joined: Sep 2003
Posts: 85
Likes: 0
From: Calgary
Originally Posted by Kenworth
You are SOL the Dana 80 used in the F-450 is a heavy duty version the parts are different. Why would you want 4:10s in a F-450 ya you are from Alberta where the roads are flat but 4:10s will make the truck really gutless.
Anyway, thanls for the info guys! At least we can swap the dana 60 stuff and save setting up to sets of gears anyway!
