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.

advancing timing

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Old 05-22-2008, 10:18 PM
  #1  
Foxbodyforever
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Default advancing timing

12 degrees of advanced timing is fine with regular pump gas right?
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Old 05-22-2008, 10:36 PM
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mjr46
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Default RE: advancing timing

89 octane may be reccommended..but bump it to 13-14 and run high test ftw
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Old 05-22-2008, 10:39 PM
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Foxbodyforever
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Default RE: advancing timing

well i wanna stick with 87 so what's the most timing i can run?
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Old 05-22-2008, 10:48 PM
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PRO50SC
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Default RE: advancing timing

Bump it a degree or 2 at a time until she hollas and then back it off. Each car is different due to mileage, wear, carbon build up etc!
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Old 05-22-2008, 11:43 PM
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RoadsterRider
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Default RE: advancing timing

It takes about 10 seconds to change the timing, just try it.
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Old 05-23-2008, 09:47 PM
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mxrider426
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Default RE: advancing timing

I have ming at 16 advanced on 87 octane and still no spark knock. Im actually going to try and advance it more.
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Old 05-24-2008, 09:08 AM
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imnotmy77stang
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Default RE: advancing timing

thats just too much.... your ending up with too much advance at the top and your going to either loose power or hurt your motor - maybe both
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Old 05-24-2008, 11:39 AM
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5.0 MPG
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Default RE: advancing timing

quick question, when you advance timing is it before TDC or after TDC?
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Old 05-24-2008, 11:57 AM
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94GTPRO5.0
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Default RE: advancing timing

it is BTDC.stock is at 10* BTDC
I have a 94 GT and I have mine set at 13* BTDC
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Old 05-24-2008, 11:59 AM
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5.0 MPG
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Default RE: advancing timing

thanks
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