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post #1 of 2 (permalink) Old 07-10-04, 07:34 AM Thread Starter
351 XE on LPG
Join Date: Jul 2003
Location: Perth, Western Australia
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Diff widths for XY wagon

Got a standard 7 inch diff at the moment and want to replace with an XY drum 9 inch in the near future. Will be getting some new rims/tyres soon, but am concerned that maybe the new diff will have a different width then the 7 inch. Can anybody confirm if they are the same width.

Also, I don't want to buy a diff that is supposed to belong to an XY, only to find later that it's off something else, is wider and therefore messes up my rim/tyre offsets. Can anybody tell me the width of an XY 9 inch diff so I can measure prior to purchasing? Thanks.

Also, the wagon will be frequently racing at the drags, so will doing burnouts stuff up the LSD? What's the best (streetable) solution? Detroit locker? LockRite? Shimmed LSD?

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post #2 of 2 (permalink) Old 07-11-04, 04:27 AM
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Re: Diff widths for XY wagon

The XW-XY diff should be the same width if its a 9" or Borg Warner. The owners manual says they have the same rear track.
I've seen XY's with XA 9" rear ends and they look funny, too wide in the track.
I've got an LSD 9" with 3.00 gears running a close ratio top loader, a 3.25 or 3.5 would be better. Make sure the clutch pack is tight, I dropped a burn out around a corner and stuffed my clutch pack. Good luck.
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