I never would have even started the engine if the guy hadn't told me it was running well and driving- looks like he replaced, cap rotor, wires, plugs, and had worked on the carb- ( it was clean with some gasket material oozing out) he sent a video of the truck running for a minute or so- In any case I'm going to get it as clean as I can internally- just not so sure on the lifters- I can just replace the pitted ones but in my search of the subject it seems like some guys discourage that because it ( new lifter) can damage the cam- Any thoughts on that?