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Original Message
The bigger the bore, the more power you will have,
By kevin - 09/17/2002 2:33:24 PM; IP 209.240.198.61
but the limitations come into play. You can always have a sleeve installed, works fine if done right. Sonic checking will cost almost as much. You can pretty safely go .030 over if the bores clean up. I never soniced them years ago, neither did anybody else, as H/M was about the only pace you could get it done. I went .080 and grenaded a few, and #4 seemed to be the leader in this catagory for some strange reasons that I kick around to this day. These were in some extreme conditions though, that I doubt you will duplicate (short track dirt) with a street car. One went six years, and when I mic'd the cylinder wall, it was under .090. All seem to crack at the bottom of the cylinders (on the ones that split and got a sleeve) and migrate upwards. There were plenty that survived too. You will gain some free power by putting notches in the top of the deck if you want to do a little grinder work to make up for the smaller bore.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=14481&Reply=14481><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14481" onclick="return false;">Boring out 390</a>&nbsp;-- <font color=#0000ff>james lucop, <i>09/17/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14481', contentMargin: 60, icon: $('anchor14481') }); </script>  Boring out 390 -- james lucop, 09/17/2002
 RE: Use the force (the search engine). -- Gerry Proctor, 09/17/2002
 The magazines are wrong. -- Dave Shoe, 09/17/2002
 RE: Boring out 390 -- John, 09/17/2002
Collapse <b>The bigger the bore, the more power you will have,</b>&nbsp;-- <font color=#0000ff>kevin, <i>09/17/2002</i></font>The bigger the bore, the more power you will have, -- kevin, 09/17/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14498&Reply=14481><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14498" onclick="return false;">Ok, I used the force, and searched 'overbore'</a>&nbsp;-- <font color=#0000ff>james lucop, <i>09/17/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14498', contentMargin: 60, icon: $('anchor14498') }); </script>  Ok, I used the force, and searched 'overbore' -- james lucop, 09/17/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14507&Reply=14481><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14507" onclick="return false;">You might try a drill-bit test.</a>&nbsp;-- <font color=#0000ff>Dave Shoe, <i>09/17/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14507', contentMargin: 60, icon: $('anchor14507') }); </script>  You might try a drill-bit test. -- Dave Shoe, 09/17/2002
Collapse <a href=../ForumFE/reply.aspx?ID=14518&Reply=14481><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor14518" onclick="return false;">OK - we might do a sonic check and go to +80</a>&nbsp;-- <font color=#0000ff>james lucop, <i>09/18/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=14518', contentMargin: 60, icon: $('anchor14518') }); </script>  OK - we might do a sonic check and go to +80 -- james lucop, 09/18/2002
 You want a minimum of 0.100"; any less will... -- Dan Davis, 09/18/2002
 simple, you must get it..... -- Pete, 09/17/2002
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