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RE: Cam for a 390?
By Steve Mason - 02/10/2001 9:30:52 AM; IP 24.226.0.224
Its recommended that with any hot cam change (even a Ford Factory 390GT cam) that you replace the valve springs & lifters. The Springs should be correct for the cam, otherwise the valves will float when you wind it out, and you'll do some serious damage.
I would do the the cam, lifters & springs, all at the same time.
What that 390 motor really needs to do is breathe, and that means Cam & Headers. The stock exhaust manifolds really hold this baby back. Get headers on it when you do the cam or you will not realize the Cams potential. 3.73's are good, for the rear but you may need to put Trac Bars on it to stop wheel hop. They are cheap and easy to install in your driveway.
Make sure you have enough Carb. This combination should probably have a 650 Holley Double Pumper Minimum. The cam is going is going to let you rev about 500rpm higher, so you'll need more carb and those springs.
Oh and I wouldn't get the 390GT cam, its too mild, Crane make s a dynamite cam thats a little hotter and will work better for you. The 390GT cams were designed in the 60's and they've learned a little since then.
Do these thungs and that truck of yours will rock !
Steve
ps a good investment would be to install a High Volume Oil Pump, all that power and not enough Lubrication = engine turning itself into hamburger !
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Collapse <a href=../ForumFE/reply.aspx?ID=4666&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4666" onclick="return false;">Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Tyrel Brandt, <i>02/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4666', contentMargin: 60, icon: $('anchor4666') }); </script>  Cam for a 390? -- Tyrel Brandt, 02/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4679&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4679" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Stanley Superior, <i>02/07/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4679', contentMargin: 60, icon: $('anchor4679') }); </script>  RE: Cam for a 390? -- Stanley Superior, 02/07/2001
 RE: Cam for a 390? -- Tyrel Brandt, 02/07/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4716&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4716" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Jim D, <i>02/08/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4716', contentMargin: 60, icon: $('anchor4716') }); </script>  RE: Cam for a 390? -- Jim D, 02/08/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4742&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4742" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Tyrel Brandt, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4742', contentMargin: 60, icon: $('anchor4742') }); </script>  RE: Cam for a 390? -- Tyrel Brandt, 02/10/2001
Collapse <b>RE: Cam for a 390?</b>&nbsp;-- <font color=#0000ff>Steve Mason, <i>02/10/2001</i></font>RE: Cam for a 390? -- Steve Mason, 02/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4761&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4761" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Tyrel Brandt, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4761', contentMargin: 60, icon: $('anchor4761') }); </script>  RE: Cam for a 390? -- Tyrel Brandt, 02/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4762&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4762" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>ninja, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4762', contentMargin: 60, icon: $('anchor4762') }); </script>  RE: Cam for a 390? -- ninja, 02/10/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4764&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4764" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Tyrel Brandt, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4764', contentMargin: 60, icon: $('anchor4764') }); </script>  RE: Cam for a 390? -- Tyrel Brandt, 02/10/2001
 tyrel, you it's me -- cody grimsrud, 02/11/2001
Collapse <a href=../ForumFE/reply.aspx?ID=4767&Reply=4666><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor4767" onclick="return false;">RE: Cam for a 390?</a>&nbsp;-- <font color=#0000ff>Steve Mason, <i>02/10/2001</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=4767', contentMargin: 60, icon: $('anchor4767') }); </script>  RE: Cam for a 390? -- Steve Mason, 02/10/2001
 RE: Found the Part# -- Steve Mason, 02/11/2001
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