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Re: Synth blends [Was: Re: Warming up engine]

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.
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 
> 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
>>> is not so "synthetic" meaning a lot closer to std. oil, 
>>> Avi 
>  not geting away with that. To get an API rateing, 
>>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
>>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 
>  to do what he describes, sludge. 
>>> >> As for your wanting to switch to synthetic or smi synthetic, stick to 
>>> >> oil as recommended by your owners manual, unless you are going to the 
>>> >> Paul (I used to live there, WI MN.........) where the temperature
>>> >> 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 
>>> >> too quick), your oil pressure will run lower and you might have your
>>> >> 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
>>> >> >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, 
>  Now being a poor college student I can't really 
>  Less 
>>> >> >expensive than full synthetic, but (at least I think) at least a
>  The thing that prompted 
>me to 
>>> >> >even think about this was the *horrible* valve racket the V6 makes
>>> >> >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
>   I had never 
>>> >> >heard this before, and on more prompting he said that if the
>>> >> >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
>  All I need is "this will hurt" or "this will 
>>> >> >not hurt." 
>>> >> > 
>>> >> >TIA! 
>>> >> > 
>>> >> >Elliott 
>>> >> > 
>>> >> >"Et in Arcadia sum?" 
>>> >> > 
>>> >> > 
>>> > 
>>> >John 
>>> >1990 CQ 
>>> > 
>>> > 
>>> > 
>  John 
>>1990 CQ