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Thread: Oil Filters

  1. #11
    Join Date
    Dec 2014
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    Re: Oil Filters

    Quote Originally Posted by mr. pitts View Post
    So what do you buy then, Tom?
    This is the K&N listing but I can get locally too. Use their dealer finder page - or order on line

    If you click the product number it gives some details. It shows that the evo does not have a drain back valve but the twin cam does. I think it's true to say that all filters have the bypass valve in case it becomes blocked so that you still get oil circulation.

    https://www.knfilters.co.uk/search/a...engine=82%20CI

    Don't think I'll ever buy the SS 171 though, lol
    Last edited by TomG; 10-07-2018 at 08:32 PM.
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  2. #12
    Join Date
    Jul 2008
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    Re: Oil Filters

    Hi John, this could turn into another chapter of the old 20-50 / straight 50 debate/argument. I made notes from a S&S site a few years ago and they said 10 microns was best for a twin cam as it has smaller oil ways but in evos the oil would not return quick enough and recommended (dare I say it ) 30 microns.
    And of course the first ( and perhaps all, but I'm not sure ) evo bottom end was the last shovel bottom end.
    So if it's specked for a late shovel it should be good for a early, or even all evos.
    Hope to bump into you and Angie somewhere this year.
    Best Wishes
    Ron.

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