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Thread: zz4 forged pistons
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06-30-2010 #1
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zz4 forged pistons
Does anyone know were I can find stock bore forged pistons for a zz4 short block. The engine has never been ran unless they break them in at the factory. The engine is a brand new block with no over bore. example 30 over. I don't think that the rods are forged they are powered metal. Whatever that means.
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06-30-2010 #2
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According to what I have read, the ZZ4 already has the good bottom end including forged pistons. They refer to these as "hypereutectic pistons" which refers to the alloy that they are forged out of. This would be a 4.00" bore and if you wanted to change to a different compression ratio, I would go with Mahle or JE pistons. Check out www.summit.com
Steve
1967 LS1 RS Camaro (Project "OVRBDGT");
1968 350 Camaro;
1969 Chevelle SS-396
06-30-2010 #3
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SRP is a division of JE and have a large supply of off the shelf pistons in stock, we run a stock ZZ4 on our dyno that we use as a mule engine and have run the crap out of it with no problems.
Originally Posted by SINISTER68
DaleIF COMMON SENSE WAS COMMON EVERYBODY WOULD HAVE IT
06-30-2010 #4
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hypereutectic is a fancy word for cast pistons with hi-silicon content
1971 Camaro, 383 stroker ~500HP,M21 Trans with lightened flywheel. All Sorts of Auto-x Goodness in the Suspension. 12" Brakes ->SOLD
But ask me about my 2004 STi Auto-x car...
Just call me Brett
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