Quote:
Originally Posted by Adger Smith
Take those nice screens out of the drain backs in the block as well as the vent pipes you screwed in the lifter valley. I bet it has a vac pump on it too. The oil rope that builds up around the rotating assy can keep the oil out of the sump. Get a good windage tray & pan combination on it that scrapes the oil back to the sump.
Those long stroke SBC's need the "right" pan and windage control.
Keep in mind your 434 has a lot more movement above the oil pickup than a 327 or 350.
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Yall better listen to Adger
I just got two 434 SBC off my dyno. Both wet sump, one with vacuum pump other without. Customer furnished both oil pan systems. Both blowed a hole in the oil as RPM went up. We dont run any screens as we have seen this problem a number of years ago. Ya got to get the oil off that rotating assembly. Spend time getting oil back too sump. Ya better look at windage, cause it is for real, both above the crank and below the crank.
reed