Quote:
Originally Posted by ol'George
I think the important thing is you are getting/circulating oil, as you have found out what happened when you didn’t.
IIRR you didn't replace the 2 main crank bearings, so a little will be lost there as well as the bearing less cam in the block.
On a new engine, I would like to see higher pressures hot but not on something that has some hours on it.
The relief valve really doesn’t come into play till more flow that can be circulated through the system is achieved.
Then the spring/ball allows the excess flow to be bypassed to the sump, as you know.
The #50 cold pressure shows the relief is in the ballpark.
A good design doesn’t over-pump the needed volume of oil as it is just wasted H.P.
Admittedly A small engine like this it is negligible.
A little extra clearance allows good flow and added cooling in the bearing areas.
Just me $.02
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I was hoping you would say that
On the other hand, if I hadn't added the oil pressure gauge, we wouldn't be having these discussions. I would just be mowing along happy as a clam.
It does not smoke, runs smooth and has lost the tendency to backfire after shut down.
I have some serious tree triming going to take place in the near future, it will be pulling loads of brush and branches with choke chains. If it survives that, I'll breath a little easier.