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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

What did your new FAST do to A/F ratio?

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Old 01-18-2009, 03:36 PM
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Default What did your new FAST do to A/F ratio?
Guys,

I know everyone's individual setup is different....just curious to know (in general) how much your A/F ratio changed after you bolted on the FAST?...

Thx, stroker2112
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Old 01-19-2009, 04:37 AM
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up to 5% more airflow in certain parts.
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Old 01-19-2009, 10:12 AM
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Your a/f should lean out a little bit since it will be seeing more air now.
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Old 01-19-2009, 10:14 AM
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yes sir mine did..
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