4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Few questions bout tuning

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Old 04-23-2009, 04:16 PM
  #11  
boduke0220
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ok so just filled up with 93. i still have about 2.5 gallons of 87 in there though. should i wait untill i drive say 1/4 of a tank or so before i tune?

and will those parameters you gave me be ok all year around?

thanks again
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Old 04-23-2009, 09:26 PM
  #12  
Kdaddy
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If you were talking to me I would say so, but Cliffyk is more experienced than I will ever be. I say give Patrick a call as well. He was very helpful for me.
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Old 04-23-2009, 10:21 PM
  #13  
vanquish
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Originally Posted by Kdaddy
I know your not suppose to muck around with fuel setting But I called Up Patrick and asked him what HE would do for a 93 octane performance tune.

He said:
Low RPM fuel mod: +0.4

Mid RPM fuel mod: +0.4

High rpm fuel mod: +0.4

and +5 to Global spark mod

I than question messing with the fueling, as it is suggested not to do so. He replied "I designed the software i know what can safely be leaned". Of course this was after me telling him my car was running like a top with +2 to all the thing your normally safe to mess with (Global Spark Modifier, Low/mid/high rpm spark). However i strongly recommend you calling Patrick and asking for his advice.

BTW: Car is running great.
+1 Patrick is in the middle of sending me tune after tune to get it right because I just put a blower on. Patrick and all of them are very helpful.
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