04-03-2002, 07:05 AM
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CC Member
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Join Date: Mar 2000
Location: Dayton,
OH
Cobra Make, Engine: RCR SLC, Graziano 6-spd, LS3
Posts: 914
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Not Ranked
I have been researching this also. As I understand it, hypereutectic pistons can be manufactured to closer tolerances than forged pistons, so they "fit" better in the block. This means less ring wear and a longer life engine. However, they are more brittle than forged pistons and may not be a good choice if you are planning on running NOS or a blower. I'm going with hypereutectic pistons on my 396W.
Pete B
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