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.

1989 Mustang 5.0HO with high-performance after-market parts

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Old 05-17-2008, 08:51 PM
  #11  
nacanitihs
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

ya i dont really like msd anymore. i used to think they were good but the stuff i bought broke too.. stock ignition works better for some reason..
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Old 05-17-2008, 08:56 PM
  #12  
projectresto83
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

Next time go buy a Crane HI box. Equivilent to the 6A but better because the rev limiter is at the turn of a dial so you don't have to purchase the pills to adjust it.
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Old 05-18-2008, 09:49 AM
  #13  
drowser
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

Thank guys you are great. can anyone tell me is there is any fuse under the hood that has to be unplugged to time the car properly. I have a been told to unplug a fuse (that runs out from under the upper plenum and ends at the dizzy with a small black plastic type fuse) Before timing engine.To a lot of you this my be a foolish question.I've looked in Chilton and Haynes manuals and I can,t identify this fuse, So like a good soldier I unplug it to time car but when I plug it back in it changes the degrees I just set it at? have been unplugging this fuse to time engine. does anybody have info on this. also I'm timing it at 4 degrees advanced,idling around 900 using calibrated snap on MT 22 light. I was told that if I did not unplug fuse I could short out wiring.
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Old 05-18-2008, 10:18 AM
  #14  
projectresto83
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

Unplug the shorting plug, set your timing to 12-14 degrees BTC and you will be set. Yes after you plug the plug back it it changes to compensate for what it has to by the computer.
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Old 05-18-2008, 11:18 AM
  #15  
89mustangfive0
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

also referred to as the Spout Connector lol
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Old 05-18-2008, 01:32 PM
  #16  
projectresto83
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Default RE: 1989 Mustang 5.0HO with high-performance after-market parts

Lol yea there ya go, I couldn't remember the name of it at the time. I run a carb setup so I don't have one.
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