Important!!!! Modern Engine Oils and lack of ZDDP!

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  • Important!!!! Modern Engine Oils and lack of ZDDP!

    Postby Roadie » Wed Mar 28, 2012 9:03 pm

    Hello peeps!

    I can't see that this has been covered before on these forums but just wish to post out a very serious warning for those people with more of a "classic engine" especially flat tappet engines and even some more modern engines not to use the more general common synthetic / semi synthetic oils especially the low emission "starburst" oils without checking out the ZDDP content of it first.

    ZDDP is an antiwear additive that has been in oils for years, but this is being removed to help emissions and the life of the Catalytic converter on modern cars. This is fine if your car is designed for having no ZDDP in it's oil but there are numerous reports on the internet circulating as to the disastrous consequences of running these oils in Engines not designed for oil with no ZDDP in it. I have also seen first hand evidence of cam followers and cams being written off in no time at all because of this!

    Most Racing oils and Classic type oils can get around the legislation for ZDDP levels but please check your oil ZDDP levels and type of engine before running modern synthetics as they can be seriously harming your engine. Here's you and me thinking that they were better for your engine.....

    Check out ZDDP on Google for more info...... e.g.

    http://www.ttalk.info/Zddp.htm

    You can also buy zddp as an add in additive for you oil.

    Oils well that ends well............

    okay I'll get my coat!
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    Re: Important!!!! Modern Engine Oils and lack of ZDDP!

    Postby Nitro » Wed Mar 28, 2012 9:17 pm

    I had no idea about this, I've always used Castrol or Magnatec thinking they were ok, clearly not, need to do an oil change anyway so read this just in time.
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    Re: Important!!!! Modern Engine Oils and lack of ZDDP!

    Postby Unders » Wed Mar 28, 2012 9:41 pm

    Not something I had ever thought about.

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    Re: Important!!!! Modern Engine Oils and lack of ZDDP!

    Postby inchley313 » Wed Mar 28, 2012 11:34 pm

    I have been telling people for years that use of synthetic oils should be limited to cars that are designed for synthetic oils because of the damage that can be caused to older engines!! Good call and very good thread, thanks for the info!!
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