If you have some time take the valve covers off and check to see if the rocker arms are tightened down. I dont know if that is even remotely close to the problems you are having but it could be something loosened up..
If you have some time take the valve covers off and check to see if the rocker arms are tightened down. I dont know if that is even remotely close to the problems you are having but it could be something loosened up..
1951 3100
1984 C10
I thought it might be something like that, but i wasnt sure. I also thought it might be a sticky valve or lifter