Quote:
Originally Posted by ZDan
I don't think they have a different idea, in fact he said their recommended pressure was 7-10psi.
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I meant he mentions (at 10:50) that on an engine with tighter clearances the higher precharge is recommended. I would suspect an FA to fall on the "tighter" side of things.
But the beauty of the system seems to be that you can find the right setup, initial capacity vs precharge, to suit your needs. Different engines with different clearances and a different number of journals, oil squirters, timing belts or chains with hydraulic tensioners, VVT, turbos and whatnot, likely all have different volume requirements so the times shown in the video probably don't apply to everything. Ideally you could probably charge it, close the valve, shut down your engine and then key on engine off, open it back up and watch the oil pressure to fine tune the pre-charge for how long/how high you want it.