340 Engine Shake

Nat said
new lifters are hit or miss , vacuum seems about right for that cam think my 340 with similar cam had 13 vacuum so you are in the ballpark .
good luck

.484 here in a 340, idles at round 11, I think. If I can remember.... lol. Finally got some steroids to open up my lungs after 6 weeks should not be able to breathe from covid-induced bronchitis. I'll go look tomorrow. Ain't played in too long, between the rain and that