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5.4 4v base ignition timing table help.

  • Thread starter Thread starter leoleo
  • Start date Start date Yesterday at 1:47 AM
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    5.4 4v timing tuning help.
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leoleo

New Member
Aug 16, 2026
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montana
Yesterday at 1:47 AM
#1
  • Yesterday at 1:47 AM
  • #1
Hey all, this seems to be the one forum with somewhat dedicated support for tuner studios relating to mustang motors. I have a 2001 5.4 4v out of a navigator and am trying to get a better base ignition timing table. The engine is stock running off rusefi through tunnerstudios. I have been searching for base timing map for the 5.4 but the closest thing I have found is some random 4.6 tables. If any additional information is needed let me know. Let me know what I need to change or if you have a better timing table I can use.

Here is the current table. It does run on this but I'm not sure this is a good table.
 
M

MustangBetts

New Member
Aug 17, 2026
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Fort ohave
Today at 6:37 PM
#2
  • Today at 6:37 PM
  • #2
I'm in the same boat. 5.4 4V stock motor in a 2003 Mustang 5 speed.

My initial timing table came from an AMP EFI base tune for a stock 4.6 2V.

I added timing at idle and bumped up the timing by 2 degrees across the top 3 rows to get where its at now. The engine is running great! i just feel like I may be leaving some HP on the table if it is not enough...


 
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