Originally Posted by Rhinodart
Here is a pic of a factory block with the drilled and tapped holes in the boss's of the oil pump mount...


Looks like the block I gave you with the Mcode dart ?

Chrysler did this because they eliminated the bosses on the block casting under the cylinder head that were used for mounting 440's in 65 thru 68 C bodies.


running up my post count some more .