| Ash's tunes are hit and miss, they are on the edge and depending on where you are and what gas, the motor might experience some detonation, and that makes even more heat. the engine bay on the z32 is very cramped, im not sure there has been a trully good cooling set up with ELE fan/s on TTs with out a ton of modifications. the OEM clutch fan is the best option for cooling. folks have tried: ele water pumps, trick fan shrouds with the ele fans, bored out thermostats, ect ect.... and IF someone sees good results running ele fans, when someone else tried to reproduce it, the results are never the same. there is a tone of info of heat and flow chartists with and with out the FMIC on here. But the best cooling has been with Side mounts and stock fan clutch. but don't take my word on it. look around and read as much as you can.
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