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Cadillac of Men
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8.8 on a 03 F150? I am pretty sure in 99 they all got 9 3/4's. Maybe the 2wd's still have the 8.8's. And i think the spring pads are different widths. The drum brakes are different too. I would try to get one from your generation, be so much easier.
 
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if you can, save the money and just beef up your 8.8... if not, go for the 9 :thumbup

but like s.d. said, i would stick to your kind, as it would be a correct fit (96 to 03 is a world of difference) and everything would match up well. good luck.........
 

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the new 9.25 are used behind the 5.4L motor or other special packages. as for the rear end of a 03' fitting under a bronco...i dont know but what i do know is the bolt pattern for the wheels are different. also the spring perches might be in different places and they are for 2.5" wide springs.
 

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Yeah dude. Don't screw around with another 8.8 or 9". They are both fairly strong axles. There is no reason to swap in a 9" over an 8.8". Go with a 10.25". They are way stronger and ane easy bolt in.
 
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