LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Exhaust Valve Color

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Old Mar 20, 2007 | 11:50 PM
  #16  
LiENUS's Avatar
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From: Baton Rouge, LA
Have you checked your ICM yet? Have you done the cooling mod to it? Also how does the ground for the icm look? is it clean or dirty?
Old Mar 21, 2007 | 05:12 AM
  #17  
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Yes, ICM/Coil was spaced off the head.
Old Mar 21, 2007 | 05:48 AM
  #18  
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Originally Posted by mark94
The valves are Ferrea 6000 Series Comp Superflo. I dropped the heads off at CAM today to have them take a look. Also sent a picture to AI but have received any comments back from them.
i just talked to phill yesterday, they are slammed right now. they will get back to you. i would call the number on the the site and tell ron about the e-mail. good luck to ya
Old Mar 21, 2007 | 02:03 PM
  #19  
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I called Ron and asked thier opinion.
Heard the same thing. Very busy and will get back to me in a couple of weeks.
Old Mar 21, 2007 | 02:37 PM
  #20  
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yeah they got something new and are having to learn the system. then they still have to get the normal days worth of work done. has jeff not gotten back to ya?
Old Mar 21, 2007 | 03:28 PM
  #21  
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Exhaust valves run hotter than intake valves, so the whiteish color is normal. The little drops of rust color could just be condensation.
If both the exhaust and intake valves are black, then the thing is too rich.
Old Mar 21, 2007 | 06:03 PM
  #22  
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Originally Posted by 526 SS 96
Exhaust valves run hotter than intake valves, so the whiteish color is normal. The little drops of rust color could just be condensation.
If both the exhaust and intake valves are black, then the thing is too rich.
It's blue. Take a look at the exhaust valve right next to it.
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