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1. 10:45 AM - Oil pressure problems with HKS (Larry Cottrell)
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Subject: | Oil pressure problems with HKS |
I finally got a new VDO oil pressure sender from Fed x this last Friday
after a Cluster @#&^%$ of epic proportions. I screwed it in and started the
engine. While the pressure reading at idle was better, it was still low
enough that it worried me. It was dropping lower and lower as the engine
oil temps rose. I shut it off. It still bothered me that it should got
belly up after an oil change, so this morning I went out again. I decided
to put more oil in it just on the off chance that it was too low. The stick
is bright alum and it is difficult to read with clean oil. As I was taking
the paper towels that I stuff in my funnel to keep the dirt out of it, a
inch and 1/4 long Scorpion made his escape from it. I then took an air hose
and blew out the overflow relief tube. The tube runs over my root tube and
down through the bottom of the cage.
I started the engine and the pressure readings were in the 19 lb range. I
ran it at idle in the hanger for a while to see if they would begin
dropping as they did before. They stayed around 19 to 13 lbs, and at 136
degrees oil temps. I decided to push it outside and see what it would do at
operating speeds. All seemed to be working properly, so I took off and at
cruise it was showing between 44 and 52 lbs of pressure. I flew for about
30 minutes or more and the pressure stayed where it should be. I went up
high and cut it back to idle and the pressure was steady at about 19 lbs.
I am not sure if my overflow was plugged (manual troubleshooter suggests it
as a problem concerning low oil pressure) or if I just didn't give the new
one a proper test. I have been called a pessimist occasionally.
Larry
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