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Reed my teef
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Discussion Starter · #1 ·
When replacing a transmission (4R70W) in a 1998 F-150, does the new trans have to come out of ONLY a 1998, due to changes in other years, making them not bolt-up?
 

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347 Posts
They will bolt up 4.6, 5.4 and 6.8, but there are different electronics in them that will make them shift funny or not at all. I would say stick to original style.
 

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The guy Dale doesn't know
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4,182 Posts
the expert says anything 97-03 will work, just make sure the donor has the same motor as your truck. he's on the ford tech hotline in the trans department. sorry bout the wait.
 
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