New life for an old 340 (stock stroke)

Some progress:
Gave the mains a lick in the line hone, did the math to determine target deck height. Had to take .0035" from drivers side and exactly .023" on passenger side to put the stock stroke, 6.123" rod with JE 1.804" CHT piston @ 0 deck. Passenger side deck height started @ 9.606" IIRC. Mains were also .0015"-.002" under the minimum. J.Rob

View attachment 1715192009


How are you going to get 10.5:1 at a zero deck with those heads unless you deck the hell out of them?