Quote:
Originally Posted by Steve Tinker
HS....
That sounds a fair enough assumption.
Did you swap over the two pumps - your posts don't say exactly if you did?
I'm still not convinced that you haven't got a faulty or inefficient scavenge pump in the oil filled head / valve cover. Seeing that Porsche use identical cylinder heads (just reversed), the two scavenge pumps should be identical (can anyone confirm this) and certainly if havn't already, swapping them over at no $$ cost would identify a pumping problem.
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The scavenge pumps are identical. (same part# either side)
Pumps have to be installed correctly to scavenge properly. Thats why I asked about the odd camshaft plug in 1 of the pics, looks like someone had worked on the head previously & altered orientation of a scavenge pump.