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  1. #1
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
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    383 Procharged & N20 Vert

    Exclamation Which Aluminum Forged Piston Is Right For Your Eng

    Which Aluminum Forged Piston Is Right For Your Engine?

    If you're rebuilding your engine you're probably upgrading to aluminum forged pistons. But which alloy should you go with? We asked Mahle to compare their 4032 and 2618 alloys to come up with some answers.Unless you rebuilding an engine with little to no budget you're going to upgrade to aluminum forged pistons. Besides being stronger than cast pistons, the lighter aluminum cuts parasitic power loss. That translates into more power at the wheels.


    Photo Gallery: How to Pick the Right Aluminum Forged Piston for Your Engine - Hot Rod Magazine


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  2. #2
    Powerstrokin LT1 > LS1's Avatar
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    Trans Am owner
    former

    thats pretty cool man. If I were rebuilding a street/strip car, I would go with the 2618, cuz I would spray a lot on it, but if it were mostly street, probly the harder piston.


    good find though

  3. #3
    Slow'er'Ass Mr. Luos's Avatar
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    Aug 2005
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Running Mahle's in my 402.

    Can't remember which ones off the top of my head though.
    These...
    http://store.summitracing.com/partde...2&autoview=sku

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