5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Pinging Sound

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Old Feb 22, 2006 | 09:58 AM
  #1  
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swr73
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Default Pinging Sound

When I get on my car hard (around 4500 to 5000 rpm)I get a pinging sound coming from my motor and a black puff of smoke comes out the exaust. I think I know the answer but I need a second opinion.
Old Feb 22, 2006 | 10:05 AM
  #2  
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PRO50SC
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From: Maryland Sucka's!!
Default RE: Pinging Sound

Pinging can be caused by a few things. What is your guess?

Check out this thread too.

https://mustangforums.com/m_1049718/tm.htm
Old Feb 22, 2006 | 10:31 AM
  #3  
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Default RE: Pinging Sound

Worn Valve guide not letting the valve seat properly
Old Feb 22, 2006 | 02:07 PM
  #4  
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Stangnsnow2
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Default RE: Pinging Sound

try a higher octane gas like premium something like a 92 or 94 oct
Old Feb 22, 2006 | 02:35 PM
  #5  
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Default RE: Pinging Sound

Done that already and I also reset my timing
Old Feb 22, 2006 | 04:33 PM
  #6  
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Default RE: Pinging Sound

timings to high set it down and see if its better
Old Feb 22, 2006 | 04:53 PM
  #7  
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Done that.
Old Feb 22, 2006 | 06:17 PM
  #8  
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Default RE: Pinging Sound

what do you have it set at?
Old Feb 22, 2006 | 06:29 PM
  #9  
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Default RE: Pinging Sound

14
Old Feb 22, 2006 | 07:52 PM
  #10  
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Default RE: Pinging Sound

14 might be too high, try bringin it down to 10. I bet it will stop. I run mine at 14 and get that time to time.



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