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Old 08-25-2008, 09:36 PM   #6 (permalink)
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VTEC Express - '96 Honda Civic CX
90 day: 57.72 mpg (US)
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Originally Posted by ChrstphrR View Post
When I was fixing my inner fenders on my TDI (replaced one, coroplast-patched the other), I noticed that I could see HUGE gaps between my headlights and bumpers. I ended up stuffing 1/2" x 7/16" weatherstripping into the gap below.

If I need airflow into the engine bay -- well, that's what the vents for the Radiator and Intercooler are for, not "extra" venting via the headlights.

No idea what improvement it's doing at this point, since I'm still calibrating my Scanguage II. That said, I know sealing that up that gap into a dead space shouldn't be counter productive.
I'd imagine the minor air ducting to the lamps is to dissipate the heat produced by the bulbs.
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