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Date: Sat, 15 Sep 2001 21:11:12 GMT
From: "Proconsul" <nospamnopsamam.com>
Subject: Re: Does anyone use synthetic oils?


Mobil One is an exceptional product that anyone would be wise to use - no matter what anecdotal warnings you will certainly get. I'm persuaded that it's a benefit in any car - except for museum pieces....:) PC "ajames" <ashleynopsamifi.co.uk> wrote in message news:tq778to9ecqp47nopsam.supernews.com... | Rolls Royce recommend Esso Ultron synthetic oil for all their cars that have | had an engine rebuild. They say that, as a result, the engine may never | require another re-build. They do not recommend it for pre war cars that | have not had a rebuild. Those who are interested should obtain technical | bulletin no. 5 from the club shop and read what the company's chief engineer | has said together with some oil company chemists. | | BMW also recommend it Mobil 1 synthetic for all their cars having tested a | 3.25i for 1,000,000 miles and found the engine still within tolerance. | | Appropriately used synthetic oils do have substantial advantages over | conventional ones. Do not listen to anecdotal "evidence" contact | manufacturers of the oil and the vehicle manufacturers to find out the | facts. | | The only warnings against synthetic oil are that it might dissolve early | rubber oil seals and that it is inadvisable in older engines where the oil | pump is much above the oil and may have difficulty priming with thin oil. | | Ashley James | Turbodave <yeahnopsamt.com> wrote in message | news:Apz77.54899$Mb7.1782728nopsam.direct.ca... | > First off , sorry about the HTML , I actually sent it in plain text but it | > ended up changing somewhere !!??. | > I can not remember the brand I was using, it was quite a few years ago. | > When I talked to the guy at Crower he did not mention anything about | brands | > either. | > After two cams wearing out , I did not push the issue, just switched to | > standard oil. | > Just a note , it could have alot to do with the Rockwell hardening of the | > cam lobes as apposed to the roller, if they are too far away from each | other | > in hardness it could excelerate the problem, I know the rollers on the | Fords | > are really hard. | > If you have a roller cam, and have the motor apart in the future it is | > worth a close inspection of the cam lobes to be on the safe side. | > Dave. | > | > | > life_speednopsamo.com wrote in message ... | > >Interesting story. Were the roller cam problems from one particular brand | > of | > >oil? I know Redline synthetic is commonly used in race applications | > >including roller cams, but I've not heard of problems. | > > | > >- Lifespeed | > > | > >In alt.autos.turbocharged Turbodave <yeahnopsamt.com> wrote: | > > | > >: Well while we are on the subject I learned the hard way that = | > >: synthetic oil is actually to slippery in some cases as in on roller = | > >: camshafts, I was having trouble with wiping out the lobes in a short = | > >: period of time, finally got the answer from the guy who machines my | race | > = | > >: motors/ and then backed up by one of the tech people at Crower.. , it | is | > = | > >: so slippery that the roller on the lifter will not turn as it is going | = | > >: up the ramp for a short duration, the reason is the inside pin on the = | > >: roller has a higher friction no. than the outer part of the pin that = | > >: touches the cam lobe creating this skid area eventually wearing out the | = | > >: lobe. | > >: Just something I have come across, I also feel that a turbo with = | > >: anything less than perfect seals is more likely to leak with synthetic. | > >: Just my opinion on the latter part though. | > >: Dave . | > > | > > | > >>>>>>>>>>BIG HTML SNIP>>>>>>>>>> | > | > | |

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