Quote:
Originally Posted by thambu19
@ solidONE
Yes the AFR for best torque changes with engine to engine design and with engine speed to another speed. From experience it goes from leaner than 12.5 at lower speeds to richer at peak power. The 11.8 I suggested was to keep exh temp below 900C (some reasonable safe limit) IF you feel your header, exh valves etc can take hotter temp you can go leaner than that. On my stock FRS with a LIVE CAT no way I would go leaner than 11.5 anywhere just to be safe. |
Got ya!
Quote:
Originally Posted by thambu19
Contrary to popular belief engine knocks slightly more with slight enrichment. This is because Of slightly faster and hotter combustion. It's called wateR gas shift reaction
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What about in low/mid-load situations? Does this still hold true? Specifically the areas when I have the fueling dialed slightly richer than stoich at 60.~70 loads, low to mid rpms. Or, does this only apply to peak loads going WOT or close to WOT?