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Old 08-31-2007, 02:09 PM
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2004 f150 w/ 4.6. What rear-end?

Like I said I have the 2004 ford f150 (newer body style) with the smaller 4.6 liter v-8. Wondering what rear-end I have. is it the 9.75 or the 8.8? i also have the 3.73 gears with LS.
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Old 08-31-2007, 03:14 PM
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Quote:
Originally Posted by MercedesTech
Like I said I have the 2004 ford f150 (newer body style) with the smaller 4.6 liter v-8. Wondering what rear-end I have. is it the 9.75 or the 8.8? i also have the 3.73 gears with LS.
Should be the 8.8. Look at rear diff cover. 10 bolts = 8.8, 12 bolts = 9.75.
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Old 09-04-2007, 11:30 AM
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thanks a lot
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Old 09-04-2007, 06:06 PM
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i was planning on gettin my 4.2l swapped out for a sohc mustang 4.6l. my truck's the 5-spd. manual 4x4, would i need a new back axel, driveshaft, etc., what do you think?
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Old 09-04-2007, 06:35 PM
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Not sure about that swap. If you are able to get some type of adapter to link the 4.6L to your current drive-train (i.e. your tranny) i don't see any need to swap rear-end or even driveshaft. I am not sure on the torque gains but I am assuming they aren't significant enough to change your whole drivetrain. Don't set my word in stone, hell i wouldn't even bet on it like I said not sure about this swap, never done it, never know someone to do it. Just thought I'd chip in with my opinion. Good luck!
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Old 09-05-2007, 10:10 AM
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Until recently, the 4.6 was available with a 5 speed manual (same gearbox as the 4.2) so that may not be a difficult swap. I would think as long as the engine is close to stock and you don't beat on it too hard the drivetrain should hold up okay.
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Old 09-05-2007, 10:10 AM


 
 
 
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