Champion C8 Plugs

Henk_Brough
Henk_Brough Expert Adviser
edited September 2013 in HUDSON
In the last discussion about the hot engine from my 1937 212 a couple of members gave me the advise to take Champion C8 plugs.
I was recently in England and I tried to get them there. No way, in England they even do not import Champion at the moment.
All is NGK. Back in Holland I go to my parts schop and asked him to order 6 of this plugs.
He showed me on the computer that it was not possible for him to order them without a partnumber.
On the internet we were not abel to find that.
PLease, can someone help me on more information about the Champion C8 ?
For you in the USA it is as I understand at very common plug. In Europa you cannot get them anymore.
Is there also an old Champion number for the same plug . Perhaps I can find them on autojumbles.

Comments

  • walpolla
    walpolla Expert Adviser
    edited September 2013
    Hello,
    According to this site your car needs a J 8 (or J 7). Have a read, there is a lot of interesting stuff in there.
    I have not been able to find a C 8 mentioned anywhere.

    http://www.users.on.net/~geosurveys/charts.htm

    regards,Rod
  • [Deleted User]
    [Deleted User]
    You must mean Champion H-8. No such thing as C-8. The J-8's are what you need. Walt
  • Henk_Brough
    Henk_Brough Expert Adviser
    Sorry Rod and Walt , you are right!!! It is Champion J8. Just in my mind it is C8.
    In England people told me that the Champion is better for old engines than the NGK.
    I will try again to get them. Is there some information about the old code for the J8 ?
    About my heating problem : I' am now so far the car runs o.k. on patrol.
    With LPG after about 30 miles the coil is to hot and misfires again. Switching to patrol : the car runs perfect.
    LPG askes a little more energy for burning.
    I have had the advise to wind a sort of tape aroung the exhaust pipe.
    I found an address in Holland who can deliver the stuff.
    For me it stays a miracle that the coil never gives problems ( more than 7 years ) and now is much to hot. ( see : Hot engine ).That not only from the temperature under the bonnet but also from the ignition.
    Perhaps another place for the coil is possible. I think about under the dash inside the car.
    I inform you about the results.

    Henk
  • terraplane8
    terraplane8 Senior Contributor
    NGK plugs are very good, I always use them.
  • Geoff
    Geoff Senior Contributor
    Henk, I don't know if it is possible, but you most likely need a colder plug, set at a smaller gap. With the increased heat of the L.P.G. the voltage required to fire is much higher, so you need a colder plug, which may cure your problems. just a thought. I used to have Champion catalog, but can't find it. Generally, the lower the number the colder plug. perhaps a J6 if they are available. Otherwise, seeing you are already on 12 volts, why not go to an electronic ignition?
    Geoff
  • dave s
    dave s Senior Contributor, Moderator
    FWIW, Hedley Bennett always mounts his coils inside car under dash and said he never has coil heat problem.
  • Huddy42
    Huddy42 Senior Contributor
    But they it keeps his feet warm.LOL
  • Browniepetersen
    Browniepetersen Senior Contributor
    edited September 2013
    OK guys, when I picked up my English built 36 Hudson (8 cyl), and got it running and got all the parts in the right place, I decided it was time to do a tuneup. I took four different types of plugs (H-11, C-4, J-11 and H-12 most were the J-11 plug) out of the car. The car ran fine--anyway, I put the right ones in with the proper gap. The car does not run any better but I feel better.. Kinda like my ducks are all in a row?
  • Marconi
    Marconi Senior Contributor
    If your car has been converted to 12 volts, did whoever did the job put a resistor in the line from the ign switch to the coil? If not, it could cause the symptoms you're describing pls the points won't last too long.
  • [Deleted User]
    [Deleted User]
    Check with a lawn mower service place. most still sell J8 champion plugs for small engines.
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