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09-19-2005, 07:16 PM
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#1 |
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Registered User
Join Date: Apr 2004
Location: Commerce City, CO
Posts: 66
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Oil Pressure
Just put in a new MSD distributor and now the oil pressure gauge reads zero unless the engine is wound up to 4,000 the the needle will come off of the post. Everything mated up just fine with the distributor and the oil pump. the sender for the pressure gauge is right behind the intake manifold on the block. What's going on?
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'71 C10 swb 350sb/700r4 |
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09-19-2005, 07:21 PM
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#2 |
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Registered User
Join Date: Jun 2002
Location: central pa
Posts: 1,525
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Are your valves tapping when the pressure is 0? If so the oil pump shaft dislodged. If the valves don't tap I guessing the oil pressure guage wire (aftermarket) or oil tubing is bent pinched or broken.
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72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne |
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09-19-2005, 07:27 PM
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#3 |
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Senior Member
Join Date: Aug 2005
Location: tulsa OK
Posts: 3,070
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so you are running a electric oil press guage? my first step would be to make sure you actually do have oil pressure.easist was is pull of v/c and start the engine and see if oil is shooting from the rockers. if it is, you have o/p. if it is then i would say there is a wiring issue. if it doesnt, then id pull the dissy and spin it with a drill and see if you have the same result.
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09-22-2005, 12:04 AM
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#4 |
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Registered User
Join Date: Apr 2004
Location: Commerce City, CO
Posts: 66
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oil isn't "shooting" but there is pressure. I have the sending unit mounted next to the distributor. Would another location like next to the oil filter be more accurate? and lastly is it is just a low oil press problem would a new pump be the answer or should I look in other areas first?
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'71 C10 swb 350sb/700r4 |
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09-22-2005, 12:48 AM
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#5 |
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Registered User
Join Date: Apr 2004
Location: Commerce City, CO
Posts: 66
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where do you all have your sending unit mounted?
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'71 C10 swb 350sb/700r4 |
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09-22-2005, 01:03 AM
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#6 |
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~Rest In Peace~
Join Date: May 2005
Location: CALIFORNIA NOR CAL
Posts: 9,707
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mine is next to the dizzy
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is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex |
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09-22-2005, 07:15 AM
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#7 |
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Registered User
Join Date: Apr 2000
Location: Chester County PA, USA
Posts: 1,228
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Hook up the original guage and see if it has pressure.
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72 k/10 short wideside 72 k/5 Blazer 72 K/5 Blazer - obstacle course racer 72 custom/10 8' bed 70 K/5 Blazer 67 C-30 GMC Flat bed 86 GMC K2500 Plow Truck 85 GMC K3500 84 M1008 85 M1008 77 G30 Motor Home 72 Sears 12hp Tractor Glenmoore, Pennsylvania |
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