Quote:
Originally Posted by buzzinhalfdozen
No arguing that Tom with properly working wide band o2's fuel management is greatly simplified. If for nothing less than the increased response time they are a worth while addition to any tuning arsenal. The biggest issue I've seen is racers searching for that "magic AFR" basically there isn't one. Joe
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Ain't that the truth? Kids come in for tuning read on internet message boards that 13-1 is the magic number, and that is what they want. Heck, 13.5-1 will often make big dyno numbers, seldom goes down the track as quick. Depends on the engine and fuel of course, but there is no magic number. Mine likes mid-twelves. (Air/Fuel ratio, not EGTs)