Need recommendation for turbo pistons

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12-02-2006, 09:39 AM

Phil99vette

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Need recommendation for turbo pistons

Looking for:
4.005 bore
4.00 stroke
-25cc or bigger dish
6.125" rod
.927 WP

Just looking for some feedback on the JE/Mahle/Diamond/Lunati to find which ones are the best for 20psi+ boost.

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12-02-2006, 09:43 AM

sr71

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wiseco....2618 alloy, -32cc dish, rated for 25psi, 1/16" rings instead of those funky metric rings and $518 from summit. I believe the part number is k396as

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12-02-2006, 09:45 AM

Sean Collins

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Mahle makes a kickass turbo piston. The other option would be diamonds. Diamond can build you a seriously badass piston most like a few grams heavier then a mahle but you will sleep well at night.

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12-02-2006, 09:48 AM

sr71

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the off the shelf mahle turbo pistons are 4032 alloy unless you buy the high $$$ ones from wheel to wheel. 2618 alloy is prefered for higher boost apps.

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