tranny or diff

["H M" <vine01@hotmail.com>]

Hello to the knowledgeable list!
The opportunity presents itself to modify the '74 to either an j-type od, or 
changing out the gear set from 3:70 to 3:45.  The goal is for better highway 
performance.  Interested in comments, experience, pit falls, etc.

Thank you.
Hadrian
'74 ("is that grease or paint on your new pants?")

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