I read a really interesting article about air flow and hood scoops... The short version is, a guy cut a scoop into the front corner of his hood, because he had a TMIC mounted kinda where our battery is (this was on a 90-something Nissan). He did some testing with pressure sensors, and due to the aerodynamics of his car, air flowed out of his forward facing scoop at ~50mph, hence his intercooler was being heated by engine bay air instead of cooled by ambient air. Sounds crazy, I know. I'll try to post up the link.
Basically, the MS3 is set up from the factory with the hood induction and underbody tray; that's probably the optimal system for cooling the TMIC. I'd be cautious with cutting or adding scoops.
edit, found the article. Hopefully it should be attached as a .pdf. Check out this quote:
Basically, the MS3 is set up from the factory with the hood induction and underbody tray; that's probably the optimal system for cooling the TMIC. I'd be cautious with cutting or adding scoops.
edit, found the article. Hopefully it should be attached as a .pdf. Check out this quote:
So if you’ve added a bonnet scoop to pick up air – or you have enlarged the standard scoop – it’s quite possible that there’s a pressure build-up under the bonnet which is dropping the efficiency of your radiator, intercooler, oil cooler and/or air-conditioning condenser. Get rid of that pressure build-up and all of the above will work better...
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