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RE: 390 Compression Ratio Question
By Tim Johnson - 08/25/2002 12:31:00 AM; IP 216.222.116.96
Iffin I rememberz rite, a 390 4bbl engine with those pistons was originally rated @ 10.5-1. Installing the larger chamber CJ heads dropped the compression to 9.5-1 or thereabouts.

Hope this helps!

TJ
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Collapse <a href=../ForumFE/reply.aspx?ID=14045&Reply=14045><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14045" onclick="return false;">390 Compression Ratio Question</a>&nbsp;-- <font color=#0000ff>SkipC, <i>08/23/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14045', contentMargin: 60, icon: $('anchor14045') }); </script>  390 Compression Ratio Question -- SkipC, 08/23/2002
RE: 390 Compression Ratio Question -- Tim Johnson, 08/25/2002
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