Original Message
RE: There you go....
By Mike McQuesten - 03/05/2002 3:44:19 PM; IP 206.193.0.122
That makes sense. A hydraulic cam with low 500's " lift will generally have a duration in the lower 200's degrees @ .050. I did say generally. There are lots of variations.

But your 390 is running the way a nicely built street 390 should run. I'll bet you have headers too, right?

There's the biggest problem with a 390GT in the Muscle Car Drags that Royce shared the rules with us. To have a 390GT in a '66 - '68 vehicle be competitive seems to require headers or at the very least, Cobra Jet exhaust manifolds.

Is anyone running a reasonably stock 390GT with factory "GT" exhaust manifolds in the 13's & low 100's? Would it meet the stringent rules of that Royce posted?

My best to e smith in finding his problem(s) with his 390. Please post here to let us know what you find and the results of your changes/corrections.
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 RE: bad cam? -- Mac, 03/04/2002
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 RE: bad cam? -- e smith, 03/04/2002
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 Re: 280 @. 050!. -- Mike McQuesten, 03/04/2002
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 RE: Re: 280 @. 050!. -- e smith, 03/05/2002
 RE: Re: 280 @. 050!. -- Mike McQuesten, 03/05/2002
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 RE: bad cam? -- Mike McQuesten, 03/04/2002
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 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">
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 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">
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 I have .514 cam with 223 @ .050.. -- James, 03/05/2002
RE: There you go.... -- Mike McQuesten, 03/05/2002
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