Thread: Mulitgrade Oil
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JAXAshby
 
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genei, you just laid waste to your claim of having an A & E, and using same to
make your living. even a hammer mechanic can hear the difference.

genie, knock it off. kriste on a crutch.

First of
all, 5 weight oil doesn't "lube better" than 40 weight oil.


it most certainly does, during the seconds it takes for pressure oil of a

just
started cold (meaning not at operating temp) engine to reach all the

bearings
needing pressure oil. 5w oil flows more easier at starting temp than does

40w
(ob vee us frickin' lee). that clatter you hear (well, a qualified mechanic
hears) on a just started engine is the bearings grinding and rubbing and
clashing with no pressue oil present.


If you hear "bearings grinding and rubbing and clashing" 5 weight, or
even 0 weight isn't going to help you. Besides, a real mechanic knows
that what you are probably hearing is valve lash, before the lifters
pump up.

Your scenario is only valid in an engine that uses very light oil and
is infrequently used. There should be enough oil remaining in the
clearances between bearings and journals to allow an engine to
re-start without damage.

Most people probably start their vehicle about 1250 times a year.....
if we heard "bearings grinding and rubbing and clashing" each time, I
don't think an automobile would last a month........

Mobil makes a 0W-40. Why don't you go out at fill that sunfish (or is
it Sunfish) (oh-ho-ho-ho-ho-ho..... Oh God, stop it Jax, you're
killing me with those capitals) up with some zero weight to help those
bearings out...... maybe if you wait long enough they'll come out
with a -30W-0 and that is sure to work even better..... have you
tried straight kerosene yet???

--



Grady-White Gulfstream, out of Southport, NC.

http://myworkshop.idleplay.net/cavern/ Homepage
http://www.southharbourvillageinn.com/directions.asp Where Southport,NC
is located.
http://www.thebayguide.com/rec.boats Rec.boats
at Lee Yeaton's Bayguide