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    HTHS for "normal "duty

    Hi just a question for our experts. Would there be any difference in measurable wear rates at normal operating temps between a car speced to run 5/20 hths @2.9 and an engine speced to run 5/40/ [email protected] both oils being Gp 3 synthetic and meeting SN spec with both engines operating inside safe...
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    real world differences in flow rates

    Hi,following on from recent posts can anyone tell me what real differences in flow rate between a 10/40 A3 oil and a 5/30 A3 oil at 0 centigrade and at -5 centigrade and even down to-10 centigrade please? Thanks in advance
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    viscosity difference at 0 centigrade?

    Hi, just a query re 5/40 and 10/40 oils? What difference in flow rates actual cst and length of time to extuingsh oil pressure light ( 7-10 lbs pressure) could you expect to see at 0 degrees centigrade all things being equal except the viscosity? Thanks in advance,gus
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    Bike engines in cars

    Hi,i am involved in sprints and speed hill climbing in the uk.We run cars such as Jedi,OMS and Force all with bike engines ranging from 250bhp hayabusas to almost stock blackbirds and blades. The big thing in bike engined cars is copeing with oil surge if you are not running a dry sump setup and...
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    Thanks for the knowledge.

    Hi as a long time lurker and occasional poster on the site i just wish to thank the posters who have a lot of real world experience and knowledge for their time and input on lubrication questions. People like Doug Hillary who bring a wealth of fleet experience to the forum are always worth...
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    Worry too much?

    Hi,i really enjoy the forum and have learned an awful lot about lubrication by visiting often. But I have come to the conclusion that i don't think it is worth worrying about the very blurred line between what is fully synthetic and what is not--surely it is the total end product performance...
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    vag 506.01 oil

    HI, i have been using 506.01 spec oil in my diesel tdi Volkswagen polo for a year and a half now. I opted for the long life service interval available here in the U.K. I was told that U.K. Volkswagens could come with a factory fill from either Castrol, Fuchs or Shell but all fulfilling the VW...
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    Attitude differences USA - UK

    Hi, have been a long time lurker on this site and have learned a lot from all you knowledgeable people. I thought you might be interested in the way the vast majority of motorists deal with oil matters in the UK. Oil changes are done at vehicle manufacturers recommendations usually 10,000 -...
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