Quote:
Originally Posted by DannoXYZ
At end of boring and honing process, an additional etching/lapping step is used to remove aluminium from cylinder walls, leaving hard silicon crystals. These are extremely durable bores, easily lasting 200k-miles with practically zero wear. Iron-coated pistons are used in these bores.
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Exactly what the Chevy Vega used, and it worked very well. Unless you overheated the engine badly, that is.