White Spark Plugs

[rltrbill]

I pulled the plugs on my 94 mtx and found them to be white with no build-up. This is good I hope, I thought pure white was too lean.

 

[Kens1992mtxSHO]

Check this site and compare your plugs with the ones shown...

http://www.classictruckshop.com/clubs/earlyburbs/projects/spark/plugs.htm

 

[1slickRED89]

Autolite has a sheet too, the tips tell the story