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.

Bumping Timing Question

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Old Aug 4, 2009 | 05:01 PM
  #11  
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domindart
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Originally Posted by 1ATony
I had mine set to 14 without a hint of detonation.I knew guys around town that had them turned up even higher than that.As long as it doesn't ping you'll be ok.
Yap, mine is set to @ 17* now. You will notice a slight difference is power.

I originally had mine set to 21* !! But it started to surge at idle and some pinging I think.. so I set it back down.
Old Aug 4, 2009 | 05:22 PM
  #12  
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I think I'll go time mine tonight. At around 3000rpm going WOT I can hear a ticking sound. Baaaaaaad.

And I'm running 91 with a whole bottle of octane booster. I wonder how high my timing is.xD
Old Aug 4, 2009 | 10:46 PM
  #13  
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So when I bump my timing to 14 what grade of gas do I use?
Old Aug 5, 2009 | 01:46 AM
  #14  
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92octane
Old Aug 5, 2009 | 01:46 AM
  #15  
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91-93 of course.
Old Aug 5, 2009 | 09:56 AM
  #16  
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k guys i went to bump my timing with my buddy but when he shined the light on my balancer it didnt show the marks. then when i took a wire brush to it i could see some markings but had no idea how to tell which was what and how to read them.. it was just 2 white lines like an inch apart? so i manually turned my distributor but i forgot to disconnect the spout lmao.. so right now my dizzy is turned a little but i heared that the computer will automaticly change my timming back to stock if i didnt disconnect the spout? is this true? even tho the dizzy is turned a bit? what should i do?
Old Aug 5, 2009 | 10:30 AM
  #17  
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Take the spout out and reset the timing.
Old Aug 5, 2009 | 10:37 AM
  #18  
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will my timing be affected due to me moving the dizzy previously? or will my timing stay the same even tho its been moved? so i can just disconnect the spout and rotate it a little then connect it back and im good?
Old Aug 5, 2009 | 12:30 PM
  #19  
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Alright good to know. Just wanted to make sure before I messed anything up!
Old Aug 5, 2009 | 02:50 PM
  #20  
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Take the spout out when the car is running and you will see how the timing changes. When the spout is out, retard/advance the timing until it is at a degree which you know (10*?). Then adjust from there.

Make sure you don't get caught in the fan. :P
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