Volumetric Efficiency tuning now available with the e420c ECU:
Now both Adaptronic ECUs have VE tuning. Download the latest e420c firmware and software (V2.000) from the downloads page. The graph below shows the results on one of our test cars (a Mazda MX5 NA BP). The process was that the engine was tuned by VE with a target AFR of 12.5, to achieve the bottom of the AFR curves (violet) in open loop mode at wide open throttle. The target AFR was then changed to 12.8 and then 13.0 for two more power runs, with no tuning in between. The flatness of the AFR curves, in open-loop, speaks for itself.
