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Demon Jetting

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Old Jun 13, 2007 | 11:18 PM
  #1  
89redliningRS's Avatar
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From: Wichita
Demon Jetting

Well I've got my idle running pretty close to stoich. WOT is pretty rich though. So far I've jetted 3 steps leaner front and back. My question is, if my idle and non-secondary driving seems pretty close to stoich but WOT is really rich. Should I lean out more on the secondary side? I might go 1 step leaner on the primary just to see. But I know the sec. need 2 or 3 steps leaner. I'm trying to get this as close as possible with a narrow band o2. The local dyno shop charges 150 per hour for tuning, so if I can get it pretty good then it wouldn't cost much to finish tuning. If i go at all.
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Old Jun 13, 2007 | 11:52 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Demon Jetting

WOT should be considerably richer than stoich.
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Old Jun 14, 2007 | 10:52 AM
  #3  
xpndbl3's Avatar
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: Demon Jetting

Originally Posted by Apeiron
WOT should be considerably richer than stoich.
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Old Jun 14, 2007 | 07:06 PM
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89redliningRS's Avatar
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From: Wichita
Re: Demon Jetting

It's rich, but I think it's too rich. It boggs alittle at wot, but not at 3/4 throttle. Plus a really rich smell.
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