off the shelf GM 12.0:1 C/R pistons for 2.8? - Pennock's Fiero Forum

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off the shelf GM 12.0:1 C/R pistons for 2.8?

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off the shelf GM 12.0:1 C/R pistons for 2.8? by coinball

Started on	: 07-12-2003 11:25 AM
Replies	: 4
Last post by	: batboy on 07-12-2003 11:07 PM

coinball
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Report this Post07-12-2003 11:25 AM

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i thought i had seen them in a picture that was posted on the site a long time ago...i guess it was one of GM's "off road only" parts...anyone have any info on this by chance?

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TK
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Report this Post07-12-2003 01:03 PM

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There were made by TRW and sold through GM. I don't believe they are available anymore but if you check an old Chevy Power Book from a few years back, the GM part number is listed there.

They were 12.5:1.

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Fieroboss
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Report this Post07-12-2003 03:54 PM

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don't plan on puttin ne boost on those

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theogre
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Report this Post07-12-2003 09:54 PM

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You probably won't be able to run pump gas with them either. Above 10:1 is usually trouble on pump gas.

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batboy
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Report this Post07-12-2003 11:07 PM

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Above 9:1 with cast iron heads is hard to run with pump gas.

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