Quote:
Originally Posted by XutvJet
Shame on Porsche for not pushing the easy button and sticking to iron cylinder liners. The fractional gain in mpg of using these cylinder liner coatings seems largely offset by a potential catastrophic failure of the short block at great expense to the owner.
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Porsche is just ahead of the curve. They seem to try stuff out before they become mainstream. I don't think it's for fuel economy only; it's for cost / ease of mfg and the arc sprayed coatings are actually superior.