Question on timing using Accel DFI...
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Joined: Jul 1999
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From: Shelby Twp., Mi., USA
Car: '84 Fiero ('01 GA interior)
Engine: '96 4.0 Aurora
Transmission: '96 4T80E
Question on timing using Accel DFI...
How does the DFI determine timing below 1200RPM? The first column is 800RPM, yet the values I put in are not close to what the timing values read on the computer. How does the computer calculate these values? I just have a need to know 
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Bob '89 Ram Air Formula 350
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Bob '89 Ram Air Formula 350
And until that time when death won't wait, let each man rage against his fate. (O'neill)
My car's homepage
Rider's Ride
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Joined: Apr 2000
Posts: 210
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From: Thomaston, CT
Car: 88 GTA, 91 GTA, 92 T/A vert
Transmission: 6 speed & 700 r4's
Don't forget about the "IDLESPARK" which constantly changes the idle timing to maintain a smooth idle. Maybe that is why you are seeing a difference.
Thread Starter
Senior Member
Joined: Jul 1999
Posts: 851
Likes: 1
From: Shelby Twp., Mi., USA
Car: '84 Fiero ('01 GA interior)
Engine: '96 4.0 Aurora
Transmission: '96 4T80E
I thought of that, but I believe even zero'd out, it still varies. Does this happen on anyone elses?
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