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Originally Posted by willtwallace
Okay, looking for some feedback or direction toward a thread that has discussed this topic, as I am sure this is not the first time its been asked.
Other than weight savings and cooling efficiency what are the benefits of an aluminum block over a Iron block or vice versa?
From my limited research I see, a slight leaning toward Iron?
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Sorry, but could you should be more specific about "iron block." Vintage or new iron blocks? New is new and old is, well, old.
The new iron blocks can be bored out to larger cubic inch displacement(s) than old iron blocks. And in theory, new production manufacturing technologies produce higher quality blocks. However, as you can see with Brent's comments about a shortage of blocks now, finding foundries to produce new blocks is difficult.