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Generation III Internal Engine 1997-2006 LS1 | LS6
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What is the ideal Air Fuel Ratio for LS1's ???

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Old 02-27-2002 | 07:15 PM
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Default What is the ideal Air Fuel Ratio for LS1's ???
On the dyno my AFR#'s were 12.5 all the way across the board, what #'s are ideal for power without detonation? my only mod is a Whisper lid.
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Old 02-28-2002 | 04:40 PM
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Default Re: What is the ideal Air Fuel Ratio for LS1's ???
Nobody knows?
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Old 02-28-2002 | 05:51 PM
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Default Re: What is the ideal Air Fuel Ratio for LS1's ???
12.5-12.8 is good to me.
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Old 02-28-2002 | 05:59 PM
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Default Re: What is the ideal Air Fuel Ratio for LS1's ???
I was told between 13.0 to 13.5 for NA and 12.5 to 12.9 for NOZ..
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