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post #1 of 5 (permalink) Old 11-08-04, 01:27 AM Thread Starter
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9 inch diff getting reco'd

Hi there guys my 9 inch diff in my XB is getting reco'd while i go overseas for 2 weeks, it is a 28 spline 2.75 diff i think there is a possibility it is LSD, but not 100%.

I have decided to put 3.5's in it and the centre is getting freshend up and new axle bearings also.

The engine i will be putting in will be producing probably 450 -500 hp at a later date so i want the diff to cope, do any of you's have any pointers as to what i should do to the 9 inch in this situation?

Any help would be greatly appreciated as i would like to do the rebuild once and for all.
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post #2 of 5 (permalink) Old 11-08-04, 01:33 AM
74 XB Fairmont
 
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Re: 9 inch diff getting reco'd

Just the usual things mines still as per factory spec. Usual things being bearings, clutches etc. It'll be fine.

My centre cost me $700 including parts to reco from 3.00->4.11. Thats everything brand new.

Brenden

XB Fairmont (street car) 11.07@123.02mph.
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post #3 of 5 (permalink) Old 11-08-04, 01:37 AM
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Re: 9 inch diff getting reco'd

If you are going to tighten up the LSD a steel hat is not a bad idea or else you can now get a nodular iron hemisphere which is a lot stronger than the stock grey iron.
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post #4 of 5 (permalink) Old 11-08-04, 01:50 AM Thread Starter
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Re: 9 inch diff getting reco'd

thanks a lot guys, makes my mind feel at ease now thats what my mate said to me also, do you think the car could do low to mid 12's with 3.5's and a toploader cause thats what i am aiming for?
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post #5 of 5 (permalink) Old 11-08-04, 02:41 AM
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Re: 9 inch diff getting reco'd

It's possible provided you have the traction and quick/smooth gear changes.

Brenden

XB Fairmont (street car) 11.07@123.02mph.
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