I've tuned several TBI's systems, including some remotely tuned using the internet to exchange .bin and .xdl files. I've tuned TBI system that are operating in Las Vegas NV, Anchorage AK and the...

A Wide Band O2 Sensor (WBO2) is an excellent tool for measuring what the AE air fuel ratios (AFR's) are. Typically the BLM's are locked at 128 when AE is active, which doesn't really help with tuning...