’85 5000 S T transmission swap question
 

Set-up: My wifes '85 5000 S Turbo automatic is slipping and shifting lazy. I've been offered a '90 or '91 100 with a 6 month old rebuilt transmission for a very reasonable price. I know that the drive axles are a different diameter but I also know the drive cups can be swapped. </P>


Questions: What problems will I encounter with the shifter mechanism between the three speed and the four speed? Are the any other issues that I'm not aware of?</P>


Thanks in advance for any help you can offer.</P>


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’85 5000 S T transmission swap question
 

The older 5000 3-sp 087 are mechanical shift, the newer 100 4-sp are electronically controlled so you will need more than just trans. The swap might be more trouble than it is worth.

’85 5000 S T transmission swap question
 

Yep, figured that out and have decided to look for an 087 or jump for the rebuild.</P>


Thanks,</P>


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