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Discussion Starter #1
Hey All,

I have swapped out a 4sp for an AOD on my 351C. The AOD was from an '85 5.0L. I'm fairly certain I installed a 28oz flex plate (unless it was mismarked). The problem I have is that there is a very noticeable vibration now. Does the flex plate need to be 'aligned' a certain way or can it just be mounted with the weight in any position? Thanks and Blessings.
 

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No, you can not put the flexplate on wrong. The bolt holes will only line up one way. I have a picture around that compares the 50oz vs 28oz. I will look for it.

John
 

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Discussion Starter #4
Hey 70_Cougar - Thanks for the info. I'll pull the inspection plate and see if I can tell what's on there.
 
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