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Thread: Bypass Oil filter spin-on adapter.

  1. #1
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    Bypass Oil filter spin-on adapter.

    Have recently seen a UK kit for the early 1600 and Siamese bore 2 litre IOE by-pass oil filter. This kit seems one of the better types and am investigating further for price and shipping quotes.

    The images are of a Rover P3 car but the filter adapter fits in the same way for both the 80" and 86" models with them.

    Diana
    Attached Images Attached Images

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  2. #2
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    spin off

    Hi Diana

    Looks the goods that filter.

    When designing this I would say that the flow and pressure needs to be considered carefully.
    But that configuration does look to me to be well within the capabilities of any local fitting and turning workshop.
    .

  3. #3
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    Its a big lump of aluminium if it is made from a single billet. But yes very possible to do.

    The important aspect is to use a spin on filter that doesn't have a valve or resistance pressure to overcome before oil will flow. These valves are a part of many current spin-on filters. If the filter does have too high resistance, the oil may simply continue through the engine system and not bypass some of it through the filter.

    If you have a lathe and time, sure make one yourself, but if not you may consider getting something like this already made!

    BTW: You should see the particular car this is fitted to! A hand built convertible P3 made in 1949.

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  4. #4
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    Diana,
    Are you aware of the one the series one club market?

    Regards,
    Tote
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  5. #5
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    Yes

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  6. #6
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    Hi there

    I have a friend in Adelaide who also makes them, but his are all hidden insed of the old filter cartridge.

    Will take some pictures and post.

    All the best

    Waynee

  7. #7
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    Quote Originally Posted by ellard View Post
    Hi there

    I have a friend in Adelaide who also makes them, but his are all hidden insed of the old filter cartridge.

    Will take some pictures and post.

    All the best

    Waynee
    I have one of those, you need to supply a non rusty canister and have to use a special tool to remove the filter.

    But the more information and options we have for forum members the better.

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  8. #8
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    As promised - pictures








    All the best

    Wayne

  9. #9
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    Wayne

    That is a very different animal to the one I got from South Australia a couple or three years ago.

    I'd be quite happy with one like that.

    Diana

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  10. #10
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    Just one comment about these filter/adaptors.

    The bypass system uses a very fine filter but only filters a percentage of the oil. A full flow filter is designed to filter all the oil but uses a coarser filter element.

    I understand why a spin-on full-flow filter cannister is used in the conversions (convenience, availability, cost etc.) but is it the best thing to use ? Only filter a percentage of the oil (as per original) but filter it at a coarser level (not as per original).
    I realise that the original bypass filters are slightly less common than rocking horse poo so something is better than nothing but bypass filter systems are readily available so maybe a better solution would be to base a conversion on a readily available bypass filter element ?

    Jackmaster Oil Filters | Oil Filters, Rolls, Tee Pieces, Swivels, Fittings | Bypass oil filter

    Just my thoughts.....


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