<VV> Selecting an oil
TimogensTurbo at aol.com
TimogensTurbo at aol.com
Mon May 29 11:47:25 EDT 2006
In a message dated 5/29/06 8:21:00 AM Pacific Daylight Time, tonyu at roava.net
writes:
> Maybe this is why it can get away with less
> than 40 lbs of oil pressure to stay together when that 426 race
> engine needs almost 100...
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Interesting also! Might be why you had the problem!
My experience...and method of most all in So Cal. in the 60-80's, was to run
a high volume oil pump, low pressure...15-25psi MAX! This was accompanied by
LOOSE clearances.....brought about by having the crank Polished until the
desired clearance was attained....cheap and easy on NEW factory engines. We
also always opened up the Rod's "side clearances" which made for a real SPRAY
inside the crankcase...but was always negated by a windage tray... Ahh, the
good old DaZe...all this could be accomplished for a $100 if you did the engine
teardown / buildup...
Then 50 wt worked fine! But, Yes, I ran Castrol 20-50 or Valvoline 20-50
in my daily drivers.....but Castrol was the choice for any high revving
smaller engines. All the Brit, Japanese and of course V W air cooleds seemed
to thrive on it!
Matt
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