quick couple details: this is on a B20b bottom end. pr3 head w/ itr internals. 310cc inj. warlbro 255 pump. 20k miles deep


so im having trouble reading the spark plug cuz its like inbetween the pics i have in manual for rich/normal and lean.. so maybe one of you guys have a better eye for this. Also these plugs are about 300 miles in after a sea foam treatment

thanks in advance

current plugs


seafoam'd set



cylinder 1


cylinder 2


cylinder 3


cylinder 4

 

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