Quote:
Originally Posted by Modshack
Ideal Air/Fuel ratios for a N/A car are in the 12.5 to 12.8:1 range. Too lean would be in the mid 13:1 range.
Turbo cars like to run richer in the mid 11's as more fuel is used to cool the combustion and keep detonation under boost controlled.
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I totally agree. On my TT mustang @ 25PSI we are at 1000 RWH! My A/F throughout the entire curve is 11:4-11:7. Keep in mind, I am also running unleaded 109 octance VP race fuel in order to achieve this.
Tony