14.7 Which way is Lean/Rich

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Dec 14, 2004 | 12:05 PM

jackballs529

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Joined: Jun 2004

Posts: 313

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From: Buffalo, NY

Car: 1987 Iroc-z

Engine: 355/Edelbrkhds/lpe219cam/MiniRam/

Transmission: 700R4/3.27 9bolt

14.7 Which way is Lean/Rich

Is a higher value than 14.7 AFR Lean? or Rich?

Dec 14, 2004 | 12:22 PM

cali92RS

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Joined: Aug 2002

Posts: 1,413

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From: San Pedro, Ca

Car: White KSwisses

Engine: 5.3L Gen III

Higher number = more air, therefore leaner.
Lower number = less air, therefore richer.

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