I've been reading the group lately on engine rebuilding...

If my engine was scattered and the pistons were useable. Of courese, I could cut the upper ring land for Devis 3.17 mm ring. But, I was wondering, in the MB evolution-piston coatings have changed in 20 years.
Now, tin is not so popular due to cost and noise. So, I was thinking of maybe applying Molycote( dow chemical ptfe product), or even having someone apply a ceramic coating to the top as to reduce heat loading on the piston. Should keep the heat in the cylinder better, hence aid in starting and efficency.


Michael

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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E