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RE: .060 over 406
By Mike McQuesten - 10/06/2001 2:41:05 AM; IP 63.50.125.26
It's important to have your block sonic checked for thickness and mapped too. I had a 391 block bored to 4.16 (.030 over 428) and it's still plenty thick enough for street driving. My block is a C6ME and is definitley a 391 cast in January, '67.

Your '67 390 rods/crank are fine to build a .060 over 406. There are a lot of piston manufacturers who will make the custom pistons you'll need. From what I've read here, they'll be forged and cost you around $600...? Not an expert on suppliers of 406 pistons.

You'll have a great engine.
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Collapse <a href=../ForumFE/reply.aspx?ID=8495&Reply=8495><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8495" onclick="return false;">Maximum overbore of a 361/391 Truck block-?</a>&nbsp;-- <font color=#0000ff>Ted Young, <i>10/05/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8495', contentMargin: 60, icon: $('anchor8495') }); </script>  Maximum overbore of a 361/391 Truck block-? -- Ted Young, 10/05/2001
Collapse <b>RE: .060 over 406</b>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>10/06/2001</i></font>RE: .060 over 406 -- Mike McQuesten, 10/06/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8498&Reply=8495><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8498" onclick="return false;">RE: .060 over 406</a>&nbsp;-- <font color=#0000ff>Ray, <i>10/06/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8498', contentMargin: 60, icon: $('anchor8498') }); </script>  RE: .060 over 406 -- Ray, 10/06/2001
 RE: .060 over 406 -- Ray, 10/06/2001
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