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Normal A/F Mixture Rate

1672 Views 15 Replies 6 Participants Last post by  Mana4Real
I have a o/r xpipe and i know my cars most likely running rich, whats the normal air fuel ratio for a car with my mods (mods in sig) so i can adjust it using my lap top and predator.
let me know thanks
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BlueStreak is right, 12.7 to 12.9...13.2 max

The 14:1 ratio is the IDEAL air fuel ratio at which fuel will burn its best, but in real life you are at the BORDER of detonation.
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