Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

rich or lean

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Old Nov 14, 2005 | 04:44 PM
  #1  
firebird45331's Avatar
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
rich or lean

which is better to be slightly rich or slightly lean?
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Old Nov 14, 2005 | 07:00 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Better for what?
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Old Nov 14, 2005 | 07:35 PM
  #3  
firebird45331's Avatar
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
the motor and performance?
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Old Nov 14, 2005 | 07:39 PM
  #4  
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
slightly rich is always better for performance than slightly lean, but for fuel economy it's the opposite. It would take a chassis dyno to tell you what A/F ratio to go with for most HP.
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Old Nov 14, 2005 | 08:09 PM
  #5  
firebird45331's Avatar
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From: greenville, OH
Car: 86 Firebird, 2002 Monte Carlo, 91 v
Engine: 350
Transmission: 700R4
i like that shade of blue
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Old Nov 14, 2005 | 08:11 PM
  #6  
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
thank you sir, i'm the only person in my state hopefully that has this color on a camaro.
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