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Currently modding my tb/plenum to use the KA one, as also had this problem, and want fast idle in winter, KA one is Ł18 delivered, but needs modding, a lot to get working.
tabetha
The exact same iscv was used on loads of different cars in ferrari, aston(I think) as well as the well known delta intergrale, just uses a housing on that but same iscv.
To mod a KA to do same job is a bit of work, but 100% PERMANENT CURE, and hidden mostly so can't tell, basically make flange to go on the iscv with two tubes welded to it, one for air in one for air out, route one before TB one after TB, plug in to std wiring, may need to lengthen but easy done.
tabetha
I can't see any reason why they would not work with the std ecu, but I'm on emerald, they defo work with that as does any other type or make or iscv.
tabetha
The std iscv was a quality part, but so old now, unfortunately they don't last forever, and it seems modern quality is not what it could be a lot of the time.
tabetha