67/68/69 cuda dilemma

The rear main cap oiling mod. I made a quickie template off the mating flange on the oil pump I'm using, then set it into place, and used some machinests dye to get an idea where I needed to go with this. Cue the rotary file and smooth out and open it up.

This is going to be a mild built street engine. Max 5,500 rpm upshifts. Hoping for 300hp, but if it's a little less, that's ok. The few oiling mods done here should help the efficiency of the oiling system.

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