Sparkplugs

Started by Crawler Boy, December 08, 2002, 10:44:03 AM

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Crawler Boy

Im loking for the correct plugs to my OC-3
because i dont have the right temperature
on them
(the plugs ben black after a while)

IvÃ,´e have the correct timing and adjusted carburator.
hopefull some one can crossover them to
NGK, Borsch or Champion because we only have those brand in Sweden.

Crawler Boy

Blake Malkamaki

#1
The original plug when burning gasoline was the Champion #1 Commercial. I think the coresponds to the current W-14 Champion. Not certain on this, so ask your parts store. I know the thread is 7/8 inch.

I don't care much for current Champion spark plugs, so I would get Autolight, Motorcraft, AC, or something else. Bosch should work well.

Good luck,

Blake
My gramps Howard van Driest was Experimental Engineer at Cletrac and Oliver Corporation. After the plant closed, he and my uncle started an excavating business, initially using Cletrac and Oliver Crawler tractors. Please help Support This Site and give your business exposure by buying a business card sized ad.

thecatskinner

#2
Here is a link to a cross over list and heat ranges:
http://www.antiquetractors.com/Research ... g_List.htm

thecatskinner

#3
Crawler Boy, I left this for you at YT, in case you didn't see it here it is again.
The Bosch cross over for the 1 COM is Z120T1.  If you want to go one heat range hotter, Z45T1.
The link for the cross over numbers is:
http://www.oldengine.org/members/diesel/equiv.htm

Scroll down to the 22 mm listing.