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Posted
If you want to make sure your pistons are not hitting your head do this.

Revove your head,get a 1/4" piece of thin solder,run up piston to 1/2" from top of bore,then lay the solder on top of piston at outer edge of piston paralell to wrist pin. Bolt up head not using o rings,1 dome at a time. Slowly turn over piston till it goes  over TDC. Then unbolt head & measure thinnest point of solder. This will be you squish.

509496[/snapback]

what is the spec that it should measure

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Posted

Hey guys, I just put the stock head back and the same sound. SO I think detonation is not the problem.

 

I am not very familiar with the sounds when something is wrong, but this sounds like some plastic part is hitting somewhere. And listening closer is not from the water pump side, bur from the stator side, I already open the stator cover, but anything looks wrong...

 

What do you think guys?

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