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emmissions

Old Oct 19, 2003 | 07:34 AM
  #1  
1982z28's Avatar
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Joined: May 2002
Posts: 135
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From: Burlington KY.
Car: 1999 Z-28
Engine: LS1
Transmission: m6
Axle/Gears: stock/3.42
emmissions

any suggestions on helping to pass emmissions? I have the engine listed in my sig. other than the deletion of the edelbrock 750 and added a road demon 625. I am in desperate need of passing. I also bought a new 3" high flow cat to put on which i didnt have before. so that will be going on after i tune the carb. any suggestions would be appreciated
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Old Oct 19, 2003 | 09:28 AM
  #2  
D's89IROCZ's Avatar
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Joined: Jan 2003
Posts: 1,931
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From: Ontario, Canada
Car: 1989 IROC-Z
Engine: 5.7L EFI LTR setup
Transmission: T-5 World Class
turn down the fuel pressure ...... retard the timeing .....make sure you have fresh oil in the crank case . Make sure the car is HOT when you take 'r in ( so the cat is working ) . Put some crap in the tank that makes your fuel burn cleaner ....I am not sure if a higher octane will benifet you ......as there has been debates ( really heated ones ) on wither or not it is a performance inhancer at our level of engine setup .



good luck to ya man
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Old Oct 20, 2003 | 12:18 AM
  #3  
1982z28's Avatar
Thread Starter
Member
 
Joined: May 2002
Posts: 135
Likes: 0
From: Burlington KY.
Car: 1999 Z-28
Engine: LS1
Transmission: m6
Axle/Gears: stock/3.42
thanks for the input every little tidbit helps. I'm gonna need all the luck i can get
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