Rebuilding a 67 330 4bbl. My first olds rebuild. I have read books that say all 330's have a 45 deg. cam bank angle and have read that the 67 has a 39 deg angle. mic'd the lifter holes and they are 0.841. Need to know to order parts. Thanks. Block casting # is 394417 3.

 

I believe the only way to tell for sure is to actually measure the lifter bank angle, or compare to some relative surface such as the deck surface.

 

I've done that, not parallel so I'm guessing 39 deg