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Howard Gem.

Posted: Mon Feb 14, 2011 4:59 pm
by oldherbaceous
Can any one tell me, what would be the modern equivalent spark plugs for a Howard Gem 360 twin engine? Thank you.

Re: Howard Gem.

Posted: Mon Feb 14, 2011 6:03 pm
by Clive.
Hello Old H',

Not a variety of machine that I have ever had anything to do with......

...but I do know that orange painted machinery is much talked of here; http://www.tractorbox.co.uk/forum/default.asp

...and there are some cross reference lists here; http://www.spark-plugs.co.uk/pages/technical/x-ref.htm

Clive.

Re: Howard Gem.

Posted: Mon Feb 14, 2011 7:08 pm
by oldherbaceous
Thank you Clive, i think they will be NGK BP6ES plugs, but i would like someone to confirm these will do, if at all possible.

Re: Howard Gem.

Posted: Tue Feb 15, 2011 5:37 pm
by oldherbaceous
Change of mind, i now think they should be NGK B6HS. :?