for the guys that are into recreational oil changing...

I used a lot of "barrel" oil for many years from the multi-line
distributor, but then they decided they didn't want to handle barrels
anymore at they put in bulk tanks with metered pumps - made it a lot
wasier than pumping from a barrel into a pouring can - no more funnels
required - and less, not more, possibility of contamination because
there were no extra containers or stages of handling involved.

The only problem is you NEVER really knew what you were getting. They
handled Valvoline, Castrol, Quaker State, and at least 2 other brands
- all of which made good oils - and also cheap oils. Which grade
were we getting this month? from which company?.

 

On a carbureted engine with a choke it IS a function of t
emperature. If the engine (I think all 454 Pontiacs were
carbureted, by the way) is never warmed up the choke never comes off
and fuel dilution of the oil is a VERY REAL possibility.

Actually, synthetic oils, in general, DO tend to be more hygroscopic,
and provide less corrosion protection (marginally)

As for the synthetic flowing better when cold - most definitely - but
is that an advantage in Miami or SanDiego?

It is only an advantage if you NEED that cold flow advantage.

In Miami or San Diago the fact that it thins less with heat and is
generally more resistant to oxidation is more important.

 

And that encompasses what - about 90%? of all oil changes in North
America.

And with short trips in cold weather a synthetic oil does not buy you
much in extended oil life. SOME, yes. But not a lot. In high
temperature (extreme heat) synthetic DOES buy you a fair return in
extended oil life.

 

So what's call a shit-fork a shit-fork??

 

Yes but you an obvious "survivor," right?

At least that's my take...

JT

 

Now.... a lot is going to depend on what you call cold... -40 is a God-given
fact for several days a year where I live... it's gonna happen, drop your
purse and hold you jacket closed, pansy...

I run dino oil... I cannot justify the expense of synthetics and most of you
guys can't tell the difference between cracked synthetics and PAO synthetics
anyway.

Don't get me wrong.. run synthetic if you want... I put it in a customers
engine every time they ask. But I'm going to have a real hard time
recommending it to people that don't need it...

 

90% have extreme conditions?

in cold weather, synthetics will buy you extended engine life - they
protect against start-up wear better.

 

if you change your oil every 3k miles...

 

so it's still advantageous!

besides, most engine wear occurs during warm-up. if a synthetic can
protect during this phase, and it can, then it's protecting the engine
more than a conventional oil.

 

so, synthetics are better at higher temperatures too!

you use brake fluid in your engine???

yes there is.

 

More items you parrot as if your having said it makes it true.

 

More testimonial. Where is your unassailable data?

 

So you are trying to say that the problematic Toyotas would not have
sludged if they had been using synthetic oils? I doubt you have any
proof at all for that statement.

 

And your point is that anyone who doesnt agree with you is clueless or
an idiot. It must be selfsatisfying to see so much of humanity from your
elevated viewpoint.

 

I don't need to do any research. Honda has already done that. If you want to
come up with your own, knock yourself out.

 

Well, if the problem was caused by low flow and high temperatures causing
oil breakdown, a synthetic oil with a higher breakdown temperature would
seem to help.

I had a Chrysler Laser which was notorious for turbocharger problems. The
oil would bake in the turbocharger after the engine was turned off, and
clog it up with varnish. I used mostly synthetic oil in the thing for
years and never had a turbocharger problem.

It all really depends on what was causing the sludging in the first place.
If it was caused by blow-by, the best oil in the world wouldn't help. But
if it was caused by varnishing, synthetics can help a lot.
--scott

 

can't you read? [rhetorical]

why don't you bother to do some research for yourself? it's easy to sit
there and complain. if you think i'm wrong, go away, do your homework,
then come back and present it. don't just piss and moan because i dare
to offend the delicate sensibilities of the know-nothings and ignorants
that pollute usenet with their uninformed personal fears and superstitions.

 

remember the old deja news, and their slogan, "share what you know,
learn what you don't"? the price of free access is that the idiots can
still show up, even thought they learn nothing and have nothing to share.

 

then you have a reading comprehension problem. because honda have
indeed done plenty of research and carefully written it into your owners
manual, but you evidently don't seem to understand what they've said.

based on oil analysis, i have this:
http://www.flickr.com/photos/38636024@N00/4291579733/

what do you have?

 

spelling: "though"