I have an early 1968/69 (CC904) engine and understand that the the later model
distributors will work in this motor. It seems like the 68 dizzy (dual vacuum
advance and retard) sits higher than a 71 model dizzy when installed. After
installing the 71 model I am having trouble retarding the timing since the tach
cable rubs into the top of a stock AC fuel pump and restricts further movement.
This wasn't a problem with the 68 dizzy. Is there supposed to be a difference
in the installed height between these distributors? Just curious.
Thanks in advance
Jim Henningsen
Maitland FL
63 TR4
75 TR6 (68 motor)
80 TR8
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