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Rear Differantial

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Old Mar 19, 2011 | 03:29 PM
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Rear Differantial
How can I know what rear Differantial my '99 Ford F150 has. I just bought it and it is currently having issues.
 
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Old Mar 19, 2011 | 04:44 PM
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Look at post #18

https://www.ford-trucks.com/forums/9...le-swap-2.html
 
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Old Mar 20, 2011 | 01:01 AM
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Originally Posted by Vork23
How can I know what rear Differantial my '99 Ford F150 has. I just bought it and it is currently having issues.
If you have a 4.6 motor ,it's an 8.8. If you have the 5.4 ,it's an 9.75.
 
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Old Mar 20, 2011 | 05:39 PM
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Thanks for the help its a 9.75" 3.73 LS
 
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