Quote:
Originally Posted by Schurkey
I completely agree that the ridge is likely the cause of the broken rings.
To my way of thinking, a ridge-reamer is a tool for destroying cylinder walls. It's really easy to get too aggressive and carve too deeply. In my world, the pistons get knocked-out and thrown in the scrap-metal bin if they're damaged by the ridge. I let the boring bar deal with the ridge.
MOST OEM pistons are not worth saving--they're heavy, they're cast to be cheap, they're maybe not shaped properly for optimal compression and flame travel...modern pistons can be so much better than what came in the engine to begin with.
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Mikes reply:
I never considered to ridge reem the top of the cyl. prior to removing the pistons. Is that Protocall when dismantling the motor? I always thought that came later, as a matter of fact one would Bore first and that should remove the ridge before Honing and lastly cross Hatching the cyl. , wall with x's.