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Mahle 85.5mm piston to wall clearance?

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Old Mar 19, 2017, 07:03 PM
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Mahle 85.5mm piston to wall clearance?
I got new pistons for my engine and they didn't come with any spec sheets besides the ring gaps. I tried contacting mahle directly but I got no response. Do any of you guys know what the piston to wall clearance should be? mit367366i13 is the model # 4042 forged aluminum alloy
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Old Mar 20, 2017, 11:52 AM
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4042 or 4032 alloy?
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Old Mar 20, 2017, 11:57 AM
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Here is a link to JE's recommendation on PTW for their 4032 pistons.


https://www.jepistons.com/PDFs/TechC...instrc4032.pdf
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Old Mar 20, 2017, 12:00 PM
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age 16 of this PDF, looks like they rec .0016"-.0024" PTW.
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