273 dilemma
Forged crank 340 counter weights are not bigger than forged crank 318"s. they are the same casting #, BUT, rod journal 1 / 2 and journal 7/8 have a lightning hole bored into them to reduce the weight. Pics 340 left 318 right.
Forged crank 340 counter weights are not bigger than forged crank 318"s. they are the same casting #, BUT, rod journal 1 / 2 and journal 7/8 have a lightning hole bored into them to reduce the weight. Pics 340 left 318 right.