Is it timing, carburetor or something else?

[Grumpy old man]

Originally Posted by maverickmk

Jesus Christ, WTF is wrong with some of you and your thin skin? I simply said I'm not sure why. Good lord, some of you need to step away from the computer and get some perspective. You're the second guy to get their panties in a wad because I was trying to gather some info or be helpful.

Nobodies trying to be that guy, there are just a lot of easy cheap "old school" tricks to diagnose/eliminate problems before tearing the head off . These old 6 cylinders will run forever with basic maintenance .