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Do someone ever use a Norvil alloy barrel?

Discussion in 'Norton Commando Motorcycles (Classic)' started by yves norton seeley, Feb 3, 2019.

  1. yves norton seeley

    yves norton seeley

    Joined:
    Feb 13, 2014
    Hi there,
    In order to use my Fullauto cylinder head with big valves, I will need to change the 750 barrel from my new bike to a 850 barrel, they are no more in stock by Maney, but Fast Eddy give me the link to Norvil and Norvil got some alloy barrel listed.
    So my quetion is: do someone use this kind of barrel?
    Of course if someone got a Maney 850 barrel, I am ready to buy it
    Regards
    Yves
     
  2. marinatlas

    marinatlas

    Joined:
    Nov 4, 2007
    Hello Yves , ask to Ludwig he have one on his Norton , but I know he had fitted some bronze inserts in the barrel as they were supplied with helicoil (or may be only threaded in the alloy !!), I have one too on a spare engine (but 750 /through bolts) ,but this engine had only few miles on it and now act as spare , replaced by a Maney.....have a nice day , hope you are better than before and will continue on the way .......
     
    ludwig likes this.
  3. Fast Eddie

    Fast Eddie VIP MEMBER

    Joined:
    Oct 4, 2013
    I know of one person who used the Norvil 850 Barrels Yves and said they were good.

    B+Bogus saw some of Andy Molnars and thought they looked good, but I don’t know anyone who has used them. They are listed here: http://www.manx.co.uk/pdf/MPL-Norton-Triton.pdf

    The price between them is very similar.

    Both companies have their critics, personally, I’d have more faith in Andy than Les.
     
  4. Fullauto

    Fullauto VIP MEMBER

    Joined:
    Apr 13, 2009
    I believe the Molnar barrels are the Maney design.
     
  5. Fast Eddie

    Fast Eddie VIP MEMBER

    Joined:
    Oct 4, 2013
    I’ve not seen them Ken, maybe B+Bogus can tell us.

    Actually, I heard that Andy bought the moulds from Pete Lovell.
     
  6. kommando

    kommando

    Joined:
    May 7, 2005
    Even if the base part is good if the part you have is wrong Les will tell you it's your fault.
     
  7. yves norton seeley

    yves norton seeley

    Joined:
    Feb 13, 2014
    Hi Marinatlas,
    Ludwig was visiting me last week, what a intresting man, I will ask him to go to his home and see is barrel, his home is only a few miles from my home.
    I am still in a weel chair, next week I must go back to the doctors, hope that they will find a solution, my leg is still very painfull, I hope that every hour of pain will give me at least one minute of joy on my new bike
    Yves
     
    baz and Fullauto like this.
  8. yves norton seeley

    yves norton seeley

    Joined:
    Feb 13, 2014
    I will email both tomorow
    Thanks
    Yves
     
  9. yves norton seeley

    yves norton seeley

    Joined:
    Feb 13, 2014
    He is not the only one sadly
     
  10. bonneville

    bonneville

    Joined:
    Jan 29, 2007
    I use the norvil and also the maney barrel for many years, I had no problems with them.
    The Norvil looks like the original pattern.
     
  11. ludwig

    ludwig

    Joined:
    Aug 30, 2006
    Marinatlas has a good memory :) .
    Yes , I have a Norvil barrel on my Commando for around 70 000 km and it is doing fine so far .
    Good compression , negligable oil consumption .
    I like them because they look so similar with the cast iron barrels . Just one fin less . I also painted them black .
    BUT : the ss hardware that comes with it is worthless .
    The helicoils ( all five ) pulled out at 1st retorque .
    I made bronze inserts 20 mm long , and used longer ( metric) bolts .
    I would have liked to use a wider , coarser thread for the inserts , but with an 850 barrel , I was afraid to interfere with the cylinder sleeve .
    Also some issues with the 2 front studs below the exhausts , and a few other minor things .
    Apart from that , they are an exellent product .

    [​IMG]

    [​IMG]
     
    Last edited: Feb 4, 2019
  12. baz

    baz VIP MEMBER

    Joined:
    May 26, 2010
    The barrel looks pretty much standard,
    Just wondering do you use that steering damper? Or is it backed right off to use when needed?
    Your bike looks absolutely brilliant
     
  13. ludwig

    ludwig

    Joined:
    Aug 30, 2006
    The bike steers perfectly well without a steering damper .
    It is an LSL damper, added for extra security . Setting depends on road condition .
    (off topic , but thanks for the compliment ..)
     
  14. 850commando

    850commando

    Joined:
    Nov 1, 2014
    Ludwig; i like you tank. is it steel? and who supplies them?
     
  15. ludwig

    ludwig

    Joined:
    Aug 30, 2006
    It started live as a Gus Kuhn 6 gallon alloy tank , but I modified it at diff. points , narrower at the knees , etc ..
    Paint pattern is intended to make it look less massive , altough easthetics are not my first priority .
    (again off topic ..)
     
  16. 850commando

    850commando

    Joined:
    Nov 1, 2014
    thanks
     
  17. Jagbruno

    Jagbruno

    Joined:
    Jan 6, 2014
    These are the Molnar alloy jugs, Nikasil treated, no liners:

    [​IMG][/url] [​IMG][/IMG]
     
  18. Fast Eddie

    Fast Eddie VIP MEMBER

    Joined:
    Oct 4, 2013
    Ooh I say, they do look good... very good...
     
  19. Fullauto

    Fullauto VIP MEMBER

    Joined:
    Apr 13, 2009
    Interesting. Definitely not the Maney design. The only point I would make is that Jim Comstock has tried this style (no liners) and found that because of the assymetric design, he couldn't get the bores to stay round. What do you think, Jim?
     
  20. marinatlas

    marinatlas

    Joined:
    Nov 4, 2007
    Yes some people had tried nikasil and they found some distortion, I had called Steve Maney years ago about and he confirm .
     

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