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silver zetec piston or black zetec pistons

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Old Feb 27, 2009 | 06:50 PM
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From: kent
Default silver zetec piston or black zetec pistons

basically can the black top zetec pistons handle boosts? I know that the silver top zetec piston has a stronger crown. So can someone tell me if the black zetec pistons can handle a bit of boost.....http://www.zvh-build.co.uk/contact_m...contact_me.htm

Last edited by Matt carter; Mar 1, 2009 at 09:32 PM.
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Old Feb 28, 2009 | 10:21 AM
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a tiny bit...
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Old Mar 1, 2009 | 07:30 AM
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From: kent
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Originally Posted by Rick
a tiny bit...
Im asking this question on behalf of a friend. Cut a long story short, he bought the wrong engine, supposed to get silver top zetec but instead a black top got delivered. He's building a zvh. Basically about 5-6 psi sound about right?http://www.zvh-build.co.uk/contact_m...contact_me.htm

Last edited by Matt carter; Mar 1, 2009 at 09:33 PM.
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Old Mar 1, 2009 | 07:33 AM
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If the compression ratio is low enough and it's tuned properly, should be fine.
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Old Mar 1, 2009 | 07:42 AM
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Originally Posted by pa_sjo
If the compression ratio is low enough and it's tuned properly, should be fine.
He's using a decompression plate i might add.http://www.zvh-build.co.uk/contact_m...contact_me.htm

Last edited by Matt carter; Mar 1, 2009 at 09:33 PM.
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