Way too many people on this forum have been guilty of a rush to judgment on engine problems that were just a bad tank of gas. At least two or three times a year when people call me about carb rebuilds and I listen to their symptoms, I end up...
Get a vacuum gauge and get baseline measurements before and after each step you take. It’s actually quite rewarding to see numerical improvements.
Compression test
Adjust valves
Second compression test
Set timing
Lean drop carb
~10-15 years ago it would have been Shane @AATLAS1X. I have a set he sent me as a ‘professional sample’. Same place I put the professional samples ToyotaMatt sent me.
I may have made a mistake, but I sent all my NOS decals to Matt for him to...