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      01-02-2011, 12:02 PM   #192
Penn999
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Drives: 335i coupe
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Quote:
Originally Posted by maxnix View Post
Really? I thought forged pistons were more thermodynamically stable? Virtually all boosted engines use them where even some very high performance NA engines use cast pistons.

Anyway, the posts are a thing of beauty.
This is correct, they are more stable to higher temps(max temps, so they dont deform, expand which cause excessive wear) and cast is a molded piece of metal. The stockers need a lower compression tho, IMO. I will be getting forged lowER compression pistons when its time for it.
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