Quote:
Originally Posted by Mark Henry
Mahle's have way tighter tolerances than JE's.
JE's expand more when hot.
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Yup. I was told by Mahle that Mahle P's and C's are the same metallurgy and move at the same rate (in general). I have P to C total clearance on a few of mine at .0007" or within 2 grades. Measurements taken on a Renishaw CMM probe. I wouldn't do numbers that tight with JE.