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Piston and Rod Assembly - orientation

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Old 04-17-2015, 01:53 PM
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Default Piston and Rod Assembly - orientation

Greetings!

I am working my way (slowly) through my XKR engine rebuild and am ready to assemble the rods and pistons. I have reviewed the assembly training manual 168 and the other sources available, and all indicate there should be an arrow to be used to face the pistons correctly as they are put together with the rods. Looking at my pistons, there is nothing of the sort in the crown of the piston. Mahle even refers to such a mark. All that I can see on mine are the letters CE stamped in the bowl, and another faint marking showing another symbol from Mahle, but no arrow.

Looking at the skirts, there is what I will call a pimple in the casting to the left of the pin hole on only one side of the piston. Perhaps indicating the front facing side?

I know the pins are offset, so I want to use the correct orientation of course.

If anyone can assist, it would be greatly appreciated. My next call will be to Mahle, if nothing comes of this inquiry.

Thanks in advance for your help!

TC
 
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