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Old 04-01-2012, 09:01 PM
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Ford 8.8 differential off center. Is this OK?

Hello,

I'm putting a Ford 8.8 from a 1999 Ford Explorer in my 1937 Chevrolet 4 door. I noticed that the chunk is off center. I measured and realized that one axle tube is 17 inches and the other is 20, so it seems of course it should be off center. I think I remember reading this in one of the many articles I've read, but they're all starting to blend together now and maybe I'm making it up. I can only imagine it had to be this way in the Explorer or one of the wheels would have stuck out of the fenders. I do have the axle centered on the frame.
Like I said, I would this this is OK, but I haven't ever seen an axle be like this so I want to make sure.



Thanks in advance,
Brandon

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Old 04-01-2012, 09:11 PM
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Most mini pickups have an offset pumpkin. it's normal.. Ranger/ Explorers did it for fuel tank clearences, as is the case with most of the other pickups..

Center the axle, not the pumpkin and you will be fine. U joints will do there job.. If you can stand to loose 1.5" per side. you can get another pass side axle, and shorten the driver side tube to use it. Then you will have a centered pumpkin.. Ranger/ Explorer guys do that all the time
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Old 04-01-2012, 09:35 PM
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OK, thanks Matt. I don't mind having it off center as long as it didn't hurt anything. It seemed as though it would be normal, but I'm pretty new to a lot of this so I wanted to be 100% sure.

Thank you,
Brandon
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Old 05-26-2012, 07:26 AM
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New Ford GT

When the New Ford Gt's first came out , they had the rear body tilted up. standing at the rear wheel looking at the engine I noticed the rear drive axles are not parallel, they form a slight V. The Retired head of ford racing hasn't said anything about them breaking He has races his a few times , Back in 67 his Cobra U joints were breaking, he switched to the U joints that don't have grease fittings, they are stronger.
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Old 05-30-2012, 03:16 PM
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I have an explorer 8.8 in my g-body and ran into the same problem with the offset housing. I was told this is because ford offsets the drive train off to one side. I have not centered the housing yet... winter project. But I only get vibrations in 3rd gear over 5500rpm which is about 115-120 so not very often...
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Old 05-30-2012, 05:36 PM
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Here's a pic of my 9", lots of 3rd members are off center to compensate for the ring & pinion.
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Old 05-30-2012, 08:12 PM
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It's better in the long run to center the housing and lined up with the rear of the trans. LESS chances of any shakes.
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Old 09-21-2012, 10:36 AM
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Center

Quote:
Originally Posted by Vetteman61 View Post
OK, thanks Matt. I don't mind having it off center as long as it didn't hurt anything. It seemed as though it would be normal, but I'm pretty new to a lot of this so I wanted to be 100% sure.

Thank you,
Brandon
So, when installing engine/trans assembly do you center that assembly in the chassis or mount off center to align with rear end? I know that seems like a stupid question, but I had to ask.
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