Piston Broke

 

Here is what heppens when you drop a 1/2" washer down your inlet manifold and then run the engine.

you can say ouch any time you like!  

It would be nice to replace this baby but these are hens teeth so I am gong to clean it up on a lathe.

Any hints or tips?

Plan is - Just take the tops off any high spots and leave the dents to fill with carbon naturally.

Clean the ring grooves so the rings no longer stick and call it a fix.

 
 

 

chopin' sticks

 

Yes, it is as bad as it looks and they are scuff marks on the skirt just above the first ring slot.

The bore is fine though, small mercy etc.

 

 

Decided that the time required to set up in the lathe, 4 jaw chuck and the danger of doing something nasty was just not worth it.

Took an oilstone and a needle file to the groove and I must say success abounded.

 

 

With thoughts of hot spots and preignition buzing about my head any high spots in the bowl were mercylessly filed off

 

Put it back in !

 

 
 

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