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Join Date: Feb 2008
Location: United Kingdom
I agree with the other posters on this one, if the oil pressure swithch is servicable (they rarely fail) then the oil pick up has a loose bolt, at this point YOU SHOULD NOT START THE CAR as the low oil will be wearing out other parts in the engine, This is the point that I would insist on new BIG AND LITTLE end shells as when the pressure drops it's the little ends which suffer most because the oil jets can't squirt them any more, the big end shells would run dry if left for too long and the cams wont be lubricated at all, eventually this is what happens to these engines when 1 bolt is left loose on the oil pick up post sump refitment.
BTW this was 10 miles afer the engine had been fitted into the car (the sump hadn't been touched by the guy who fitted the engine (sourced from an Indie) but before that we can't be certain of what had happened to the lump, but I'm sure it has had a cambelt fail before as the other 3 sets of big end shells looked VERY new).