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Old 08-25-2008, 09:18 PM   #5 (permalink)
EcoModding Apprentice
Join Date: Jul 2008
Location: Edmonton, AB, Canada
Posts: 128

Schwartzejetta - '00 Volkswagen Jetta TDI GL
90 day: 52.87 mpg (US)
Thanks: 18
Thanked 16 Times in 16 Posts
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.
Current mod: Skidplate/Undertray for my MkIV Jetta. Next mod: CAD drawing for skidplate so other Jetta/Golf drivers can make one too!
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