Quote:
Originally Posted by JPuehl
My wife and I plan to take our cars to a drag strip this Friday and was wondering if removing the cowl and cabin filter housing actually helps vent the under hood hot air? I was thinking about trying this just during the race, not for everyday driving since water can get in via the cowl. It only takes something like 5 minutes to remove plus a few minutes to duct tape the cabin air inlets closed so the effort is low but if it's not going to help or makes it worse than there's no point. I know that normally there's a high pressure area where the hood meets the windshield so the pressure under the hood would need to be greater than at the back of the hood.
I know in theory it makes sense but was wondering if anyone has actual experience doing/trying it?
The main reason for even considering this is that I'll be using a BMS open element intake filter and would prefer cooler inlet air.
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It's likely not worth the trouble. You won't see any significant gains from it.
Just pop the hood in the lot/staging lanes after your passes and you'll be fine, heat wise.