| I suppose this could be in the tech section, but I wanted more input from folks. I wanted to touch on a lot of subjects. 1) air intake cone shield/air deflector - I notice in my configuration with the JWT filters (x2) that the deflector is bent downwards at an angle and into the airway of my bumper opening (OEM TT) Is there any benefit in trimming the overall width to help airflow go straight backwards and into the radiator? 2) Does the radiator shroud take care of pulling air across the entire radiator sufficiently at speed, or is the car relying on natural airflow while driving (60+ mph) to accomplish this? It is somewhat related to 1) above in that I'm wondering if trimming the plastic guard would help air go straight on back and push more across the radiator 3) IC duct guides - Most guides are going to be lengthy and try to go all the way to the opening itself in the bumper. Is this really necessary? I'm just wondering if the guides themselves were short, but present... 1-2" deep, wouldn't that be sufficient to cause incoming air to effectively get channeled into the IC? I notice the stock air guides even on the 4.5" deep aftermarket (same h x w like Z1 original) are not FULLY sized to take advantage of surface area of the IC. Perhaps that is the fault of the oem guide being fitted to Z1/Greddy units. 3) Regarding all of this air entering...where is it exiting? I know folks have done louvers in the wheel liners. What about all of the air coming through the radiator? Is it just being forced across the engine and dumped downwards? Would hood vents and louvers really pull a lot more air out? I'm asking just so I can get some ideas for bettering cooling through the engine bay. I had some track time at 95F and the radiator temp was definitely causing my gauge to bounce up between dead-center and high. I'm going to try running just distilled water potentially with water wetter versus a 30/70 coolant/water mix.
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