coated pistons
i am thinking about building a new motor my 53 block took a dump on me what are coated pistons and the advantages of them is it worth doing
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theywill make it so your pistons can take more heat from the fuel you add. i had mine ceramic coated when i bought them. they are mahle pistons that i had to send somewere in california to have them coated. they told me they will withstand 1800* all day long since aluminum melts at about 1300*
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Originally Posted by 94cummins12v
(Post 369754)
they told me they will withstand 1800* all day long since aluminum melts at about 1300*
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might have but i dont get my truck past 1200 at any given point, it was just an assurance knowing they can withstand the higher heat if i accidentally do it
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hmm i can get to 1600 right now i think i will look into this so they have aluminum pistons i figured they would be steel
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nope aluminum expands and contracts at a much better rate. there full aluminum pistons, i had mine ceramic coated for $150 for the set ill look threw my recipts to find out who did the work
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Weight is also a big issue. Cummins currently uses articulated two-piece pistons with steel crowns and aluminum skirts on ISL's and ISM's, while the ISX uses all-steel pistons. Only the B's and C's are still stuck with aluminum.
The aluminum pistons are a limiting factor of our engines, almost as severe as our crappy heads. There are several sets of all-steel 24 valve pistons out there, which cost three-plus times as much as the aluminum pistons but let you raise your max-safe EGT threshold by 50%... As far as coatings for aluminum pistons, the name I keep hearing through the grapevine is "PPE". |
Here is another place.
Performance coatings by Polydyn |
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