Extremely high oil pressure

[Devin LeBlanc]

Well I just took my car for a drive to go get some food and I noticed my oil pressure was abnormally high.

I am running a GE block so no oil cooler, oil filter elbow, oil cooler pressure relief valve.

I am thinking the only thing that could cause this is a stuck pressure relief valve in the pump. Its all original 152k miles, non shimmed pump.

Usually when the motor is cold I notice the pressure relief valve opens around 70 PSI, I can see a little dip/spike in the oil pressure when this happens.

[video=youtube;YES2z8LaFtE]http://www.youtube.com/watch?v=YES2z8LaFtE[/video]

Thanks,
Devin

 

[bioskyline]

that is odd. could be bad valve, or is the sender for the gauge going wonky? casue to jump from 20 to almost max seems very odd

 

[Devin LeBlanc]

Could be the pressure sender as well, I will go into the shop tomorrow (ugh on sunday) and hook up a mechanical gauge and check it.

Thanks

 

[jonahs_supra]

2nd bad oil pressure sending unit
also seems like your wire is loosing connection

mine did this and found the previous owner rapped the wire around the sending unit for my autometer gauge
with wire unhooked the gauge shoot all the way up
touch sender and it goes back to normal

i just cant see you oil pressure building that high that fast with a stuck pressure valve

 

[Devin LeBlanc]

Its not a loose wire, it does not peg out it matches with RPM, I have not had a chance to do a test with the mechanical gauge, Im thinking its the sender unit though

 

[jonahs_supra]

oh ok
from the video i thought the gauge was pegging out

 

[planemos]

Sure that's not your boost gauge? HEh heh joke

 

[TweeT91109]

....maybe its from running no hood? haha just kidding. But yea use the mechanical oil pressure gauge, see if you get the same results, if you do probably the sending unit.

 

[roadboy]

are those glowshift gauges?

 

[Devin LeBlanc]

Sadly yes, lol they suck but are decent

 

[IJ.]

Stuck relief will usually blow the o-ring out of the filter on the first start, then again it's a 1J so might not have enough Tq :runaway:

 

[roadboy]

lol, i have glowshift as my backup in the radio din slot.
any problems with the gauges so far?
check your wiring, i remember oil pressure suppose to be grounded to work properly otherwise it goes to max pressure.