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Barn of Parts Oil Tank Gasket

Discussion in 'SideWinder Trail Talk' started by hibshman25, Jun 11, 2019.


  1. hibshman25

    hibshman25 Vendor Vendor VIP Member

    Messages:
    2,191
    Location:
    Lebanon, PA 17042
    Country:
    USA
    Snowmobile:
    2017 sidewinder ltx dx
    2018 snoscoot
    I had great success running a phazer oil tank on my sidewinder this past season, but have not given up on a simple gasket to seal the existing cases. I tried some gasket ideas last fall with no luck, but I came up with another idea that seemed too simple...but it works! I have some details to address, but my tank filled with water last night has not leaked a drop! I know this has been a pet peeve for many and this gasket idea will be much cheaper than building new stand alone tanks.

    IMG_0248.jpg
     
  2.  
  3. kinger

    kinger VIP Member VIP Member

    Messages:
    6,214
    Location:
    Clear Lake, IA
    Nice!!!
     
  4. YamaSpark

    YamaSpark VIP Member VIP Member

    Messages:
    24
    Location:
    Greenfield, Minnesota
    Country:
    USA
    Snowmobile:
    2016 SR VIPER S-TX 137 DX
    Sweet!!
    Will this gasket work on the Viper too?
     
  5. Pstn head

    Pstn head VIP Member VIP Member

    Messages:
    1,144
    Location:
    Ontario, Canada
    Nice!!!
    I'm guessing you'll see if it holds the the dreaded pressure built up from a stuck (frozen) roll over valve.
     
  6. hibshman25

    hibshman25 Vendor Vendor VIP Member

    Messages:
    2,191
    Location:
    Lebanon, PA 17042
    Country:
    USA
    Snowmobile:
    2017 sidewinder ltx dx
    2018 snoscoot
    Yes, the design will fit viper and winder tanks.
     
  7. hibshman25

    hibshman25 Vendor Vendor VIP Member

    Messages:
    2,191
    Location:
    Lebanon, PA 17042
    Country:
    USA
    Snowmobile:
    2017 sidewinder ltx dx
    2018 snoscoot

    I plan to pressure test it down at my Dad's weld shop as all the fittings and such are there.

    Got my prototype gasket translated to a CAD file yesterday so going to get some samples made up soon.
     
    Pstn head, kinger and sideshowBob like this.
  8. Big_Phil

    Big_Phil TY 4 Stroke Guru

    Messages:
    878
    Location:
    Wasaga Beach, Ontario
    Country:
    Canada
    Snowmobile:
    Sidewinder RTX LE
    If it leaked oil past the gasket, at least you would be able to clear out the ROV, top up the oil and keep riding. With the current sealant it's an overnight job to wait for the silicone to dry.
     
    Pstn head likes this.
  9. Big_Phil

    Big_Phil TY 4 Stroke Guru

    Messages:
    878
    Location:
    Wasaga Beach, Ontario
    Country:
    Canada
    Snowmobile:
    Sidewinder RTX LE
    Pstn head likes this.
  10. gouldsjett1

    gouldsjett1 Lifetime Member Lifetime VIP Member VIP Member

    Messages:
    185
    Location:
    maine
    Just a thought here, could a rear end cap style vent installed in the top of the tank possibly work? Any thoughts from the experts on this site?
     
  11. twyztid

    twyztid VIP Member VIP Member

    Messages:
    267
    Location:
    Middleville, MI
    Country:
    USA
    Snowmobile:
    2015 SR Viper LTX SE w/ MPI Turbo
    2006 Apex GT
    LOCATION:
    Middleville, MI
    Wouldn't hot oil have a higher chance of leaking or seeping than just room temperature water?
     
    RTX likes this.
  12. twyztid

    twyztid VIP Member VIP Member

    Messages:
    267
    Location:
    Middleville, MI
    Country:
    USA
    Snowmobile:
    2015 SR Viper LTX SE w/ MPI Turbo
    2006 Apex GT
    LOCATION:
    Middleville, MI
    I have not had my oil tank apart. Are the surfaces just flat, machined surfaces? If so, there are also a lot better sealants to use than RTV silicone like the factory may have used. An anaerobic gasket maker would be at the top of my list if it is a close-fitting, flat machined surface.
     
  13. BTP

    BTP Extreme

    Messages:
    76
    Location:
    Michigan
    Country:
    USA
    Snowmobile:
    2018 Thundercat
    I'm the Performance Gasket manager at Mahle I have all sorts of gaskets made. If I can help let me know as I have the capability of getting the proper material. All I would need is a tank to make a die off of.
     
    Agman 57, ROCKERDAN, Tarzan and 3 others like this.
  14. Motorhead

    Motorhead TY 4 Stroke Master

    Messages:
    1,160
    Location:
    Augusta, Maine
    Country:
    USA
    Snowmobile:
    2017 SW LTX-LE
    LOCATION:
    Augusta ME
    If you want to take a look at some pics of both surfaces, go to RockerDan’s build thread. He has a quick jump link to that and many others. Really helpful pics and tutorials.
     
    ROCKERDAN likes this.
  15. twyztid

    twyztid VIP Member VIP Member

    Messages:
    267
    Location:
    Middleville, MI
    Country:
    USA
    Snowmobile:
    2015 SR Viper LTX SE w/ MPI Turbo
    2006 Apex GT
    LOCATION:
    Middleville, MI
    I found the pics and see that the one oil tank half is grooved as well kind of like the chaincase side but no o-ring seal. I wonder why they decided to make it that way but without an actual o-ring seal? On the other hand, they DID put the oil tank in that location so it appears they weren't thinking clearly in the first place.
     
  16. Motorhead

    Motorhead TY 4 Stroke Master

    Messages:
    1,160
    Location:
    Augusta, Maine
    Country:
    USA
    Snowmobile:
    2017 SW LTX-LE
    LOCATION:
    Augusta ME
    All to save weight and space is my guess. Once a design mistake is made, it sticks. It seems that this has been around for quite sometime.
     

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