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Maximum overbore of a 361/391 Truck block-?
By Ted Young - 10/05/2001 8:26:29 PM; IP 152.163.207.202
I have acquired a few 361 2v motors. I have been told that they can be bored out to 4.19 inches safely. Is this ture? Has anyone ever taken a 361/391 block, bored it to 4.19, and installed a 390 crankshaft? I ask because this is what I have to work with. What pistons will I need? Will the rods, and crank out of my '67 390 motor work? Will I have to have the rotating assembly rebalanced?

Thanks,
Ted
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Collapse <b>Maximum overbore of a 361/391 Truck block-?</b>&nbsp;-- <font color=#0000ff>Ted Young, <i>10/05/2001</i></font>Maximum overbore of a 361/391 Truck block-? -- Ted Young, 10/05/2001
Collapse <a href=../ForumFE/reply.aspx?ID=8497&Reply=8495><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor8497" onclick="return false;">RE: .060 over 406</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>10/06/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=8497', contentMargin: 60, icon: $('anchor8497') }); </script>  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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