Valve lash question?
Do the heads have hardened valve seats. Could be a sunk valve maybe?
Bad sport, here is the info I have on the engine:
1972 340 block bored .30 over with 10.5.1 TRW forged pistons w/moly rings rods resized and bushed w/floating wrist pins and new locks.
pistons and rods balanced
arp bolts and crank polished
clevite 77 crank, cam and rod bearings
windage tray
dynagear tru roller timing chain
crane cam 284/480 degreed
J heads 3 angle valve job
Comp cams locks and push rods
Mopar perf. valve springs and adjustable rocker arms
Edelbrock torker II intake