Plugs for 1959 35 hp bigtwin.

[nashwinter123]

Hi what are the spark plugs for a 1959 35 hp bigtwin?
Thanks

 

[tashasdaddy]

Re: Plugs for 1959 35 hp bigtwin.

Champion J6C gapped at .030 NAPA auto parts can get them for you.

 

[JB]

Re: Plugs for 1959 35 hp bigtwin.

Some sources call for J4C. It can use either.

 

[nashwinter123]

Re: Plugs for 1959 35 hp bigtwin.

Ok thanks.... I got the j6c plugs but when i got home i pulled the original plugs out and they were j8c plugs. The j6c plugs work good though.
Thank you

 

[1946Zephyr]

Re: Plugs for 1959 35 hp bigtwin.

I wouldn't use J4C's for anything other than catfishin weights

 

[tootallofwa]

Re: Plugs for 1959 35 hp bigtwin.

Champion calls for J8C/RJ8C
http://www.championsparkplugs.com/results_appOther.asp?otherMotiveID=12218&mfid=2