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Advance bouncing around

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Old Dec 18, 2008 | 02:23 PM
  #1  
shuanm's Avatar
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From: Tennessee
Car: 84 Z28
Engine: Stealth Ram 355
Transmission: Borg/Warner T5 WC
Axle/Gears: 3.73
Advance bouncing around

I noticed that my map bounced around quite a bit during data logging, and I found that my advance was jumping from 14* to 25* randomly at idle when it should be constant 20* in those MAP/RPM areas. What in the heck is going on with this. Can someone shed some light on my problem??
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Old Dec 18, 2008 | 02:49 PM
  #2  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Advance bouncing around

Which ECM & MaskId are you running?

RBob.
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Old Dec 18, 2008 | 02:56 PM
  #3  
shuanm's Avatar
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Joined: Jan 2008
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From: Tennessee
Car: 84 Z28
Engine: Stealth Ram 355
Transmission: Borg/Warner T5 WC
Axle/Gears: 3.73
Re: Advance bouncing around

7730 and $8D
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Old Dec 18, 2008 | 05:29 PM
  #4  
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From: Browns Town
Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
Re: Advance bouncing around

https://www.thirdgen.org/forums/diy-...k-advance.html

That should get you there.
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