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390 to 410 questions...
By Mav_70 - 01/27/2002 7:24:46 PM; IP 165.121.112.167
I am interested in converting my 76 F250 390 into a 410. I have heard this can be done.

My first question: Is the 410 Merc block in 66-67 the same as a 390 block from the same year? If so, this means my 76 390 will work right?

Second: Both engines have the same bore, does this mean they use the exact same piston? Or is the 410 piston a bit shorter so it will work with the increased stroke?

Third: I know the 390 and 410 used the same length rods, but is there any major difference between the two in reguards to strength?

Fourth: Can anyone please give me full details as to what must be done if some of my theories are incorrect? Where to buy 410 pistons etc.

Thanks in advance.
This thread, so far...
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Collapse <b>390 to 410 questions...</b>&nbsp;-- <font color=#0000ff>Mav_70, <i>01/27/2002</i></font>390 to 410 questions... -- Mav_70, 01/27/2002
 RE: 390 to 410 questions... -- R Shannon, 01/27/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11005&Reply=11002><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11005" onclick="return false;">RE: 390 to 410 questions...</a>&nbsp;-- <font color=#0000ff>Paul C., <i>01/27/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11005', contentMargin: 60, icon: $('anchor11005') }); </script>  RE: 390 to 410 questions... -- Paul C., 01/27/2002
 RE: 390 to 410 questions... -- John, 01/27/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11011&Reply=11002><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11011" onclick="return false;">RE: 390 to 410 questions...</a>&nbsp;-- <font color=#0000ff>Mav_70, <i>01/28/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11011', contentMargin: 60, icon: $('anchor11011') }); </script>  RE: 390 to 410 questions... -- Mav_70, 01/28/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11014&Reply=11002><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11014" onclick="return false;">RE: 390 to 410 questions...</a>&nbsp;-- <font color=#0000ff>Louie, <i>01/28/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11014', contentMargin: 60, icon: $('anchor11014') }); </script>  RE: 390 to 410 questions... -- Louie, 01/28/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11025&Reply=11002><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11025" onclick="return false;">RE: 390 to 410 questions...</a>&nbsp;-- <font color=#0000ff>Mav_70, <i>01/29/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11025', contentMargin: 60, icon: $('anchor11025') }); </script>  RE: 390 to 410 questions... -- Mav_70, 01/29/2002
 Here's some more info. -- Dave Shoe, 01/29/2002
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