The pinion bearing went out on the rear of a 94 F-150. It's an 8.8 with no locking diff of any kind. I have an 88 F-150 4x4 with and 8.8 and a posi. I want to switch rear ends. I am trying to find out the gear ratio of the 88 and confirm the posi before I get dirty. The only tag on the 88 diff says E7TW-4025-BA. The VIN 2FTEF14H1JCB33368. Can anyone help me decode the numbers? Thanks very much, Rick
f-150 4x4 rear end swap
Started by
wetricky
, Nov 04 2009 03:01 PM
2 replies to this topic
#2
krafty
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Posted 06 November 2009 - 12:19 PM
http://broncozone.co...?showtopic=2972
read this thread, there should be another set of numbers somewhere.
read this thread, there should be another set of numbers somewhere.
2003 F-350 5.4 Crewcab SRW
#3
wetricky
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Posted 08 November 2009 - 04:16 PM
Does the 88 rear end have the speed sensor on it? If not you'll loose your spedo and the engine probably wont run rite. You might be better off replacing the bearing, and maybe swapping in the "posi".
I have looked into the speed sensor thing. I am thinking I'll swap out the 3rd members. I think I can switch the sensor ring from the 94 to the 88 if it doesn't have it. I won't be able to get to this project until Thanksgiving so I'm trying to do some homework before hand. It doesn't help that the 88 is two hours away. Thanks for the info. Any more thoughts will be greatly appreciated!! I am still trying to get by brother to check the front diff of the 88 to find out some gear ratios.
Thanks, Rick
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