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The author repeatedly refers to "silicone" in the pistons. That instantly makes me doubt his credibility. (silicon is the proper term)
Note he only refers to "all motor" in recomending cast pistons. 4032 is much stronger than cast, period. Detonation will kill any piston regardless of it's composition. I still feel the 4032 is a great choice for a DD. You can run OE clearance and get the long service life without beating the crap out of the cylinder walls.
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