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Stone Crusher
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371 Posts
Yes. You will need to change the solenoid pack and the MLPS if it hasn't been upgraded.
 

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Premium Member
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9,187 Posts
if the 90 has a C-6 in it, you will have shifting problems because the C-6 uses vacuum signal to shift properly, and the 97 will not be able to deliver the proper vacuum signal.
 
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