Date: Wed, 19 Sep 2001 00:49:26 -0500 From: "TerryOrtman" <TerryOrtmannopsaml.msn.com> Subject: Re: Does anyone use synthetic oils?
Why use that CRAP? You have the BEST CAR IN THE WORLD, why NOT use the BEST OIL IN THE WORLD? OIL EXTREME http://members.nbci.com/rrss1973/ "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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