I've always been wondering how stable the closed loop wideband readings should be. In my car the AFR gauge from Innovate seems to be hovering between low 14 and low 15 when the engine is in closed loop.
So how it is, what is the normal range for example when cruising at 60 mph 6th gear in closed loop? Or in city driving?
Here's a cold start log and some city driving in cold climate, with config and tune.
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Some info about the car/engine:
- the car has 2 bar COS but there's no supercharger at the moment as in my home country there's very cold winter coming...
- forged 427, 228/232 115 LSA cam, 245 cc heads, 9.8:1 compression, 60 lbs injectors (just ordered Greg's DVD by the way), boost-referenced fuel system with 58 psi base fuel pressure, Kooks 1 7/8 headers, etc.
- Innovate wideband in the cross-section of Kooks (not in the headers itself)