Need help NON mopar 1967 Pontiac Lemans 326

skep419 said
View attachment 1715153440
https://www.amazon.com/dp/B00CMDIOBK/?tag=joeychgo-20

not that fancy but cheap

That^^^^^^^^is a very good start to help you learn to read plugs. It isn't easy and you never really master it, but it can be done relatively accurately.

What did you do to the distributor that killed it?