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:The S-AFC when tuned at a dyno leans out your mixture... Technically your car will run its best right before your pistons melt (so I am told by other friends) So is it bad to install an AFC? Wont tuning it, even a little, lean the mixture, therefore making your engine run hotter? Then decreasing the life of the engine a great deal? for conditions.
Thats why we tune for about 11:1 Air to Fuel ratio on Turbo cars. This is VERY safe. And if it's flat across the board, you will have a better running, longer lasting engine.
If you tune a car too rich, it will cause idle problems, exhaust failure, O2s will die, and you will be constantly looking for more power. Basically;
If you run too lean, yes, you will make parts wear or break faster.
If you run rich, you save some major parts, but hurt others.
If you run 'safe' right in the middle, then all your parts are happy, you make good power, you get good MPG, and you get great drivability.
Petz #3
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