Balancing of stroker kits and vibrations

moper said
I would not run that crank. You can see the damage, and the harmonic dampener recieves the vibes through the press fit on the crank. If that get's loose or the surface area is decresed, so is the effectiveness. Not to mention there may be damage to the internal structure of the crank where it was ok for what you were doing, but may be an issue down the road. Harminocs are bad. They stress the block, crank, all the parts, the flexplate & convertor - loosen faseneters, etc. And the worst part is you don't have to feel them for them to be present. So for the reasons I mention I'd get rid of it. Skip the Eagle cast cranks BTW.

I was running this through my head last night as well. Was ready to start fresh and then it occurred to me that I have two other stroker 340's with forged cranks that I could spend less money on and finish. So this morning I continued to remove clean and tag parts. Hit the pistons with the soda blaster to knock off the carbon. Hit the crank snout and the balancer with some emery cloth.

I reassessed the mounting area and figured less than 15% of the mounting surface is actually not to my liking. I'm going to set the crank in the block with the balance mounted. If the run out of the balancer doesn't look bad. I'm going to roll the dice and put this thing back together for the cost of balancing and a gasket kit. Honestly in my head I think the odds are pretty good in my favor of it running and lasting a long life. Moper I'm definitely not disagreeing with your advice and total respect it and appreciate it as well. Sometimes I just think a lot of us get to caught up in everything has to be perfect attitude and we end up not getting anything done. It's a bit of a gamble but it's the also the difference of probably $400 to put it back together and probably at least $2,500 to 3,000 to start with a new rotating assembly. I'll take the chance of throwing away $400 and if it grenades it least there won't be any compromised parts on the used market. :D