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Powerboost differential ring gear size question

pushrods

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I am curious to find what features and or ratios determine the rear end size from the 8.8 super to the 9.75 rear differential on the XLT powerboost? May have to order one soon and would like to have the larger 9.75 dif.
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BoilerTimmay

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I am curious to find what features and or ratios determine the rear end size from the 8.8 super to the 9.75 rear differential on the XLT powerboost? May have to order one soon and would like to have the larger 9.75 dif.
Check this doc out. to find your vehicle ratings use the links in the references to dig in further.
 

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pushrods

Well-known member
First Name
Doug
Joined
Jan 12, 2021
Threads
15
Messages
88
Reaction score
53
Location
Socal
Vehicles
2021 XLT PB Sport
Occupation
Retired IBM field engineer
Check this doc out. to find your vehicle ratings use the links in the references to dig in further.
Thank You Boiler, that's exactly what I was trying to find.
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