08-02-2006, 08:36 PM
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CC Member
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Join Date: Feb 2005
Posts: 58
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Not Ranked
some questions.
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Originally Posted by jimmymac
Does any one have any other Ideas One of those once in a life time things! Ive Checked Oil pump ,gauages , oil filters, oil filter adpter plate,oil galley plugs, main &rod berrings relief valve . what am I missing? Could it just been a fluke? a piece of trash in the reileif valve that disloged afterwards. it has a 428crank so theres no plug there. I guess Ill put it back together an light it up see what happens! Is there any one place a galley could get a crack? Have .003 clearances. ANYONE???? Thanks again. |
When and how does this oil pressure drop occur?
Have you checked the oil pan to oil pump pickup clearance...too small and it will cavitate and lose pressure, or simply lose suction all together.
Also, are you running a high volume pump with an otherwise stock oil pan and oil system? The HV pump can, and often does, pump the pan dry at high rpms because the oil either does not drain back quick enough or the oil pan just does not have the capacity required for an HV pump (FE's are finicky with this much more than almost all other motors)
Lastly, what oil filter ar you running? Frams are know to have anti drainback valves that fail and clog the way.
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