I need help getting my trucks engine running!!

[1968_K20_4x4]

Originally Posted by bill3rail

Check those plugs. Unless my eyes are deceiving me, that bottom plug looks to be different than the top two.
The top two are definitely tapered seat plugs but the bottom one does not look the same to me.

Time for new plugs anyhow.

Bill

Thanks for the suggestion. All the plugs I pulled were tapered seat, the picture isnt great but the one plug had some oil on it when I pulled it making it look different from the others. All plugs have since been replaced with new ones