[Healeys] No oil pressure--conclusion

[Michael MacLean]

Seems to me the difference in all this is the oil filter.  Bad filter?  If you have normal oil pressure now the clearances are more than likely OK.  The proof would be if an oil change next time yields the same results.  Not likely two bad filters in a row.  Clogged pickup screen? My 2 cents, not worth much, but you get it anyway.Mike MacLean
 

    On Tuesday, December 6, 2016 8:49 AM, Michael Oritt <michael.oritt at gmail.com> wrote:
 
 

 Just now I pulled off the K&N, removed the spark plugs and spun the motor over. After about 15-20 seconds of cranking I could see a good stream of oil coming out of the port in the oil filter adapter and the needle came of the peg. I put a new filter on, reinstalled the plugs and VOILA--oil pressure! Collective wisdom is that with an engine that has some miles on it no damage should have been done to bearing surfaces, rings and bores, etc. during the minute or so of running without oil pressure yesterday and I certainly hope that will be borne out in real life.

As I said in an earlier post I have heard of oil pumps losing prime when they have sat for a while without oil in them. However no more than 30 minutes elapsed between the time I drained the oil and went to restart yesterday and I am quite surprised by the oil pump's inability to reprime itself. I have probably changed the oil and filter in the same manner 10-15 times over the years and while there is always a first time for everything I believe the message is that the lower end of the engine and pump need to be closely inspected for clearances and new parts installed as necessary. 
I performed the oil/filter change yesterday because in about ten days my wife and I plan on taking a trip down to the North Carolina Outer Banks and then on to Wilmington NC to celebrate our second anniversary. So I'll hope for a successful and uneventful trip and for sure the car will be up on stands immediately upon my return.

Thanks to all of you for the good advice and patience. This list continues to be a great resource!

Best--Michael Oritt
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