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Should be the same as a Hemi right? #8 exhaust valve at full lift, oil to passenger head. #7 exhaust at full lift, oil to drivers side head.

Let's see, here are some notes I had from one BB Mopar priming approximate ranges:

30-10 BTC #1 cyl on overlap, passenger head gets oil
30-50 ATC #1 cyl on compression, driver head gets oil.

The #8 cylinder is 90 degrees from #1 in the firing order (18436572). So a typical cam would have #1 exhaust max lift (lobe center) at 108+/- BTC, and that would put the #8 exhaust about 18 BTC. That matches my observation.



You had me scratching my head here for a while ..... seems if #1 piston is @ 20* BTDC for pas side oiling then this puts #8 piston @ 110* BTDC , which would put #8 ex valve full lift.