08-11-2010, 02:47 PM
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CC Member
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Join Date: Jan 2008
Location: Nashville,
TN
Cobra Make, Engine: Backdraft, SBF 351w (463 CI)
Posts: 272
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Not Ranked
Thanks Rick i do not like to argue over this stuff. 
MadMaxx the info i provided did not come out of thin air. :You need to research before you answer.
Skuzzy this is simple example of what we are talking about (not to dumb it down to much).
a water hose exists a house at 5 psi (pessure regulator is on the spicket) makes a turn and goes vertical 10 feet. What do you think the pressure will be at the top of the hose, and what will the flow be??? 0 on both gravity is the resistant in this example.
If you have an engine with an oil cooler and several feet of hose and could take oil pressure readings from oil exiting the block , through the cooler, through the filter, back into the engine, up to the valve train, you will find that the pressure will continue to drop. FLOW RATE is affected. The oil pump has to push all that oil through the system which has RESISTANCE. To take it a step further heavy cold oil will have less flow and a greater pressure drop through the system at a SET pressure. What you have to remember is the pump has the relief valve on it (that is your pressure regulator). It pushes oil so when it hits a preset pressure it will not go any higher and will not overcome the resistance. Pressure is highest at the pump.
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