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air fuel ratio with boost

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air fuel ratio with boost

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Old 01-28-2015, 07:57 AM
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Default air fuel ratio with boost
Just saw stock fuel map for a ZR1 vette engine. 9:1 static and 10psi boost. Anyone wanna take a guess at what the stock wot Afr is under boost ?
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Old 01-28-2015, 08:05 AM
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What year ZR1? I am going to assume around 12.2:1 or leaner.
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Old 01-28-2015, 08:08 AM
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Originally Posted by Baldie
What year ZR1? I am going to assume around 12.2:1 or leaner.
2009+ years.
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Old 01-28-2015, 08:15 AM
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Originally Posted by Baldie
What year ZR1? I am going to assume around 12.2:1 or leaner.
nope
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Old 01-28-2015, 08:19 AM
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what fuel ?
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Old 01-28-2015, 08:20 AM
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Originally Posted by ezstriper
what fuel ?
Stock ZR1. Premium pump gas.
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Old 01-28-2015, 08:26 AM
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i,m sure they don,t run it on the ragged edge .i wont guess because i know the answer but don,t want to cheat.
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Old 01-28-2015, 08:29 AM
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Ok I don't wanna jerk anyone around.

10.7 at 4000rpm

Above 5000rpm 10.4.
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Old 01-28-2015, 08:36 AM
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funny thing,when i mentioned running 10.5 on a 1200+ hp engine some members said i had no idea how to tune an engine.i guess gm engineers don,t have a clue either,lol.
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Old 01-28-2015, 08:38 AM
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Originally Posted by MILD THUNDER
Ok I don't wanna jerk anyone around.

10.7 at 4000rpm

Above 5000rpm 10.4.
Sounds about right to me!!
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