Join Date: Sep 2005
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Get a monitoring device that can read engine parameters. Then monitor the high pressure oil system when cranking (ICP pressure, ICP volts, IPR % duty cycle).
It might be the IPR valve if it is aftermarket (lots of bad experience w/ aftermarket sensors), but the dummy plugs and standpipes are prime candidates for problems as is the HPOP STC discharge fitting if you still have it.
Are you getting the oil pressure to register on the dash when cranking?
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Last edited by bismic; 10-28-2019 at 12:37 PM.