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04-04-2005, 09:38 AM
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Registered User
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,932
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low low oil pressure after warm HELP
I followed the previous oil pressure debate and problems but wanted new opions. We just recently rebuilt my 327 I have put 10w30 oil in it for start up after running it the breakin period I changed it. Now at startup when cold the pressure at idle is fine at 50 or so psi. After the engine reaches temp at 180 or 190 the pressure drops to a wapping 5 psi at idle and up around 15 (maybe a bit less) at 1000 rpm and 20 or so running down the road at 2000 rpm. I have changed the filter to a ACDelco but didnt help.
everything is new (except the pistons and crank) what could cause this? I am thinking about changing the pump (it is new)? I really dont wnat to pull this motor I just painted the truck and didnt want the extra trouble. I am running tpi so the wiring just adds to the pulling problems. any thoughts it is very disconcerning to look down and have almost zero oil pressure at idle... thanks Dave
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
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