heads

Hi all, I’ll try to keep it short… I found a 2f to throw into my 1977. It has great compression but the valves are crazy gunky. in the last photo you can see what 3 cans of carb cleaner got my on the right half of the valves (not very good). What do you guys think is the best path forward? Just...

After getting a misfire code on number 4 and 8 I thought it was just a coil. I drove it another mile home and pulled #4 and after removing the bolt the coil and plug all came out together. #8 looked fine, but as you can see #4 is FUBAR. I tried screwing in another plug and threads in the...