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Discussion Starter #1
Im putting in a 408w in the 69 and it calls for a stall of 2500.
Question....if the stall converter has to change size for higher stall, do i need a different flexplate to match......
IE....I believe mine is 12, if it drops to a 11 or ten do the bolt holes still match or do i have to get a flexplate with a 11inch pattern?

Thanks for your time
 

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Discussion Starter #2
I guess the question would relate to c4 and c6 trans also. Has anyone had to change their flexplate when they went with a bigger stall?
 
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