Remember the thread yesterday of *Oil temp, safe or not?*
Well guys I figured it out.
The plunger on the oil preasure relief valve and spring slipped out of my
hands several times while I was re-inserting it back up into the cavity.
As nature demands the valve accidentially went back in upside down (the
solid top is heavier than the hollow botton).
The small control grove was not in the right position to allow bleeding
at high oil preasure and make minimal use of the filter and oil cooler.
So in effect; at highway speeds and a very nice new set of bearings I was
by-passing my oil cooler once the preassure reached that magic number
(what is the number?). I was showing as much as 5 BAR preasure at 2500
RPM on a cold engine and 3.5 BAR at 65 miles per hour at operating
temperature.
The only upside to all this is that the oil preasure was so high it saved
my engine (I also backed off and didn't question the gauge, letting the
oil temp settle at a safe range). If you can accept 260 Farenheit as
safe. Thats 130 Celsius.
Having had this experience once it wan't be necessary to make this
mistake again.
I failed to follow the old carpenters rule *Measure twice, cut once*.

Stan Wilder
83 Westfalia Air Cooled
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