Does a throttle bodie setup still need an afm?

[BenR]

I am not a software engineer and have no interests in becomming one, so i will not be learning any coding nor waste my time with a budget megasquirt system. When your dealing with paying customers you cannoy present them with a horrible looking installation built around parts. Plus you cannot charge them for the time you spend dicking around building it. Not to mention the mapping software isnt very good.

Anyway, the ideas you present are valid, for OE manufacturers. Being a builder of performance engines people only come to me to go faster, in which cases problems such as blocked cats of air filters are non issues and in extreem cases would only see rich running conditions and pose no damage.

In our world for economy and basic short term fuel trim there is nothing wrong with low engine speed closed loop control so i dont need to have anything monitoring idle fueling and rpm.

If i was running a race car with a plenum setup then i would run a alphaN/speed density blend, of if we have vtec i would run speed density through out as we can net a stable signal strength at low rpm and idle.