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Re: 280 @. 050!.
By Mike McQuesten - 03/04/2002 10:12:31 PM; IP 63.50.107.201
Whoa e smith that can't be right! That kinda duration at .050 is up there in radical non streetable zone. Your original specs provided in your first post were pretty reasonable sounding. You said something around 514 lift with 280 duration intake & exhaust. If you really are running a camshaft with 280 degrees @ .050, you'd have to cam lift specs well over .600.

I think your cam may be okay. Unless that friend that helped you is really an enemy. But do check those specifications once more.

And don't feel badly about not understanding "degreeing a cam" in. I've done it a couple of times and it takes me a long time. I have to do it step by step and then I've never been positive I was right on accurate. I follow the steps outlined in an old Alliance Cam Catalog. It was the easiest for me to understand. The other times I've just installed cams "dot to dot" the "normal" (normal = guy who doesn't undersand degreeing...I'm right there) way and they've worked okay. I'm not condoning that though. It's still a good idea to check the cam by degreeing it. If you have to go back that far, get a pro to help you. He'll (She'll? whoa, the women that ain't never been born) have a degree wheel.

So what I'd say again is get that ignition system checked. Guessing fuel delivery may be fine with the way you describe the higher end, above 3,000 rpm. And what carb are you running on the E-brock RPM?

But ya, having a difficult time chirping the tires with a 390GT? You gotta a problem or maybe two.
This thread, so far...
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Collapse <a href=../ForumFE/reply.aspx?ID=11814&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11814" onclick="return false;">bad cam?</a>&nbsp;-- <font color=#0000ff>e smith, <i>03/04/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11814', contentMargin: 60, icon: $('anchor11814') }); </script>  bad cam? -- e smith, 03/04/2002
 RE: bad cam? -- Mac, 03/04/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11816&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11816" onclick="return false;">RE: bad cam?</a>&nbsp;-- <font color=#0000ff>Ray, <i>03/04/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11816', contentMargin: 60, icon: $('anchor11816') }); </script>  RE: bad cam? -- Ray, 03/04/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11818&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11818" onclick="return false;">RE: bad cam?</a>&nbsp;-- <font color=#0000ff>e smith, <i>03/04/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11818', contentMargin: 60, icon: $('anchor11818') }); </script>  RE: bad cam? -- e smith, 03/04/2002
Collapse <b>Re: 280 @. 050!.</b>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>03/04/2002</i></font>Re: 280 @. 050!. -- Mike McQuesten, 03/04/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11825&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11825" onclick="return false;">RE: Re: 280 @. 050!.</a>&nbsp;-- <font color=#0000ff>e smith, <i>03/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11825', contentMargin: 60, icon: $('anchor11825') }); </script>  RE: Re: 280 @. 050!. -- e smith, 03/05/2002
 RE: Re: 280 @. 050!. -- Mike McQuesten, 03/05/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11817&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11817" onclick="return false;">RE: bad cam?</a>&nbsp;-- <font color=#0000ff>Mike McQuesten, <i>03/04/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11817', contentMargin: 60, icon: $('anchor11817') }); </script>  RE: bad cam? -- Mike McQuesten, 03/04/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11819&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11819" onclick="return false;">RE: bad cam?</a>&nbsp;-- <font color=#0000ff>e smith, <i>03/04/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11819', contentMargin: 60, icon: $('anchor11819') }); </script>  RE: bad cam? -- e smith, 03/04/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11823&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11823" onclick="return false;">RE: bad cam?</a>&nbsp;-- <font color=#0000ff>scott 71 f-100, <i>03/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11823', contentMargin: 60, icon: $('anchor11823') }); </script>  RE: bad cam? -- scott 71 f-100, 03/05/2002
 RE: bad cam? -- Barry B, 03/05/2002
Collapse <a href=../ForumFE/reply.aspx?ID=11834&Reply=11814><img src=../images/reply.png width=30 height=10></a>&nbsp;<a href="#" id="anchor11834" onclick="return false;">I have .514 cam with 223 @ .050..</a>&nbsp;-- <font color=#0000ff>James, <i>03/05/2002</i></font><script type="text/javascript"> new HelpBalloon({ dataURL: 'replyb.aspx?ID=11834', contentMargin: 60, icon: $('anchor11834') }); </script>  I have .514 cam with 223 @ .050.. -- James, 03/05/2002
 RE: There you go.... -- Mike McQuesten, 03/05/2002
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