Been getting my 60 up to running condition, and lately I've noticed in the mornings when I go to start it (ambient temp around 40F most days), I get a somewhat subtle knock as it warms. It only does this once in the day, and it's usually gone by the time I'm ready to pull out of the driveway after warming the truck for a minute or two. Any other start throughout the day it doesnt return. I dont think it's belt related, though I am going to replace them with new belts currently on order from Toyota.
After reading a few threads on the matter, people suggested to pull spark plug wires one at a time - didnt make any difference until I got to plug #6. It quieted a bit, but didn't totally go away. I've adjusted the valves twice in the last week (still getting the hang of doing it before it cools down). Engine is desmogged and I've advanced the timing to around 10*. Stock carb, stock dizzy.
All that to ask, am I in trouble with this issue? Oil pressure looks good (about halfway to 2/3 up the gauge most of the time). I've freshly changed the oil to a 15w50 synthetic with a toyota filter.
After reading a few threads on the matter, people suggested to pull spark plug wires one at a time - didnt make any difference until I got to plug #6. It quieted a bit, but didn't totally go away. I've adjusted the valves twice in the last week (still getting the hang of doing it before it cools down). Engine is desmogged and I've advanced the timing to around 10*. Stock carb, stock dizzy.
All that to ask, am I in trouble with this issue? Oil pressure looks good (about halfway to 2/3 up the gauge most of the time). I've freshly changed the oil to a 15w50 synthetic with a toyota filter.