the rod bearing are common to go bad in the 350, because its air cooled and oil brakes down faster when its heated past 190deg. to prevent this you need a oil cooler and change your oil often, when you see lots of metal in your oil filter your rod bearing is going bad, if you know someone with a machine shop all you need is a jig to hold the crank, hyd. press to remove and install the new bearing and pin and a lathe to straighten it
