Hi Eddles,
I tried the warmer intake air by way of a partially blocked intercooler. It didn't work and actually made my FE worse. But then Tasdrouille has it, i think, and it works for him??
Anyway, i'd stick a sheet of cardboard or coroplast (the same size as the aircon radiator) between the aircon radiator and the engine radiator. Then duct fresh air to the intercooler through the lower opening in the bumper, while keeping the opening area the same or more to it.
It'll be tricky but you can ball park the parts and fit them, then mark the final cuts in situ to guarantee a good fit. Then tape it together in situ with duct tape. Should work out easier with the aircon radiator removed.
ollie
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