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Re: Synth blends [Was: Re: Warming up engine]
John,
I don't think there is much I can contribute to you, you seem to have
covered all the angeles, so lets quit right now.
Avi
No need for any replys
At 12:32 AM 12/21/97 +0000, you wrote:
> Avi wrote: John,
> Most synthetic oil will flow either way John, the cold part and the hot
>part, Kapish......, go dig up some old information published (by Mobil)
>that will tell you that this API test IS NOT APPLICABLE to synthetic oil,
>and that is why the early Mobil 1 oil was a single weight.
> No you dig it up. In fact go to there web site and read it. Mobil 1 Home
>Page Now, why in the hell you need a multi viscosity rating if the 30W
>oil STILL
>flows at 0F?...........
> There is no 30W oils. It's 0W30 and 5W30 and 10W30. here is the answer,
>because people are used to the
> viscosity rating so, that is what you have to sell..........directly
>from Mobil engineer visiting our CFR (corporate fuel
>research)facility...................
> And the sun shined and birds sang as the hook went in.
>
> No, because a auto maker says you use a API 10W30 in it's cars.So any oil
>you use had better be an API 10W30 or say strate 30 wieght on the bottle.
>OK, I feel better now.....
>
> Just before his engine went boom.;-) Avi
>NO need to update me about Mobil 1 changing their formula, it is applicable
>to my statement above
> WHAT!
> At 08:24 PM 12/20/97 +0000, you wrote:
>>
>>
>>Avi wrote:
>>
>>> John,
>>> The whole subject of multi viscosity IS NOT APPLICABLE to synthetic oils,
>>> the reason the term is used (by the oil MFG.), is because the public is
>>> used to the multi viscosity term, it is strictly a MARKETING gimmick....
>>> The ONLY way the multi viscosity will be applicable is if the synthetic
oil
>>> is not so "synthetic" meaning a lot closer to std. oil,
>>> Avi
>>
> not geting away with that. To get an API rateing,
>every
>>oil synthetic or not,must meet the set numbers for viscosity at 0F and
>210F for
>>it's wieght range.
>>So a 5W50 std and a 100% synthetic must meet the same test numbers to be
call
>>5W50 or 10W40.
>>The test BTW is not done in a engine. It's done on a lab bench setup. And
>is not
>>done under
> synthetic 10W40 oil will show a higher viscosity
>than a
>>std 10W40 oil.
>>
>>
>>>
>>>
>>> At 06:08 PM 12/18/97 +0000, you wrote:
>>> >
>>> >
>>> >Avi wrote:
>>> >
>>> >> Your father USED to be correct, certain kind of synthetic oil (ester
>based)
> to do what he describes, sludge.
>>> >> As for your wanting to switch to synthetic or smi synthetic, stick to
>std.
>>> >> oil as recommended by your owners manual, unless you are going to the
>North
>>> >> Paul (I used to live there, WI MN.........) where the temperature
drops
>>> >> below 0F on a regular bassis.
>>> >
>>> >No stick to the wieght. If it calls for a 10W30 use a 10W30 synthetic.
>>> >
>>> >> Avi
>>> >> synthetic oil has an excessive leak down rate and poor adhesion (runs
>down
>>> >> too quick), your oil pressure will run lower and you might have your
oil
>>> >> pressure light flickering at times, especial at idle.
>>> >
>>> >Not if your useing the right wieght oil synthetic or not.
>>> >
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> At 06:23 PM 12/17/97 -0500, you wrote:
>>> >> >This talk of oil and warming up the engine brought up a question I
had.
>>> >> >My car has been dealer serviced all its life, but now that the free
>>> >> >service has expired I'm going to go ahead and do some stuff myself,
>such
> Now being a poor college student I can't really
> Less
>>> >> >expensive than full synthetic, but (at least I think) at least a
little
> The thing that prompted
>me to
>>> >> >even think about this was the *horrible* valve racket the V6 makes
when
>>> >> >it's 20F or so outside and I start it.
>>> >> >So anyway, I get the stuff, and my dad sees it (oops) and says "are
you
> I had never
>>> >> >heard this before, and on more prompting he said that if the
synthetic
>>> >> >oil mixes with the dino oil left in the crankcase, it will turn to
> I'd never heard that before, and politely
>>> >> >(so I thought) pointed out to him that synthetic *blend* implies that
> The compromise was
>>> >> >that I'd ask someone knowledgeable about it and make sure that it
>>> >> >wouldn't screw anything up.
>>> >> >
>>> >> >So who is more knowledgeable than you guys?
>>> >> >
>>> >> >Anyway, all I need is for someone to say "no this won't screw up your
>>> >> >engine" so I can change my rapidly darkening oil.
>>> >> >
>>> >> >I hope that this doesn't start another aweful thread about the
relative
> All I need is "this will hurt" or "this will
>>> >> >not hurt."
>>> >> >
>>> >> >TIA!
>>> >> >
>>> >> >Elliott
>>> >> >
>>> >> >"Et in Arcadia sum?"
>>> >> >
>>> >> >
>>> >
>>> >John
>>> >1990 CQ
>>> >
>>> >
>>> >
>>
> John
>>1990 CQ
>>
>>
>>
>