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#1
05-17-2004, 02:41 PM
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I HAVE A BUILT 400 WITH STREET CAM
I AM GETTING NEEDLE BOUNCE ON MY VACUUME GAUGE AND AM CONNECTED TO THE INTAKE VACUUME PORT. ANY IDEAS? THE PLUGS ARE BURNING CLEAN. POSSIBLE ROCKER ARMS NOT ADJUSTED CORRECTLY? I HAVE HYDRAULIC LIFTERS THANKS FOR ANY SUGGESTIONS! |
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#2
05-17-2004, 02:41 PM
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I HAVE A BUILT 400 WITH STREET CAM
I AM GETTING NEEDLE BOUNCE ON MY VACUUME GAUGE AND AM CONNECTED TO THE INTAKE VACUUME PORT. ANY IDEAS? THE PLUGS ARE BURNING CLEAN. POSSIBLE ROCKER ARMS NOT ADJUSTED CORRECTLY? I HAVE HYDRAULIC LIFTERS THANKS FOR ANY SUGGESTIONS! |
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#3
05-18-2004, 04:05 AM
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Try a glycerin (spelling?) filled guage.
__________________
NHRA tech. "Its just a 412, I swear it". Pontiac tip of the year, quit those damn cigarettes. 
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#4
05-20-2004, 04:14 PM
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just for kicks try another full time vac source, maybe the tree on the back of the carb or the vac modulator port if a qjet. If you are connected to one runner of a dual plane, manifold you will get a true fluctuation due to natural pulsing.
__________________
  My Daddy bought me a car but all I got was this old Pontiac.
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