SO I just went to the shop after work today to get my new piston and motor that had just been bored out. I was walking back to the car and popped the trunk to put the motor in and the new piston in the box slipped off the top of the motor onto the concrete and the damn box had to come open- I WAS HOT(

The piston looks practicly flawless, but it did catch the concrete on the edge of the top of the piston about half an inch around the top edge.

Along the side of the piston you really cant feel anything Smooth) but on the top edge side you can barely feel some roughness. It is minute, but I need some opinions on this one. URRRRRRR!

Thanks!

 

New piston. The damaged part will concentrate heat. It will fail prematurely due to the heat concentration......

You can try and smooth it out, but it will always be in the back of your mind that there's some "minor damage" there, waiting to rear it'ds ugly head.