Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Question regarding blocking off the front of a '99 Crown Vic.

Daox · 03-30-2015, 09:58 AM

The general rule of thumb is to always block the upper grill first. This pushes more air over the top of the car (vs more air under the car) where the aerodynamic shape is more clean.

I'm not sure why you'd want to add vents to the hood.

03-30-2015, 09:58 AM	#2 (permalink)
Daox Administrator Join Date: Dec 2007 Location: Germantown, WI Posts: 11,203 CM400E - '81 Honda CM400E 90 day: 51.49 mpg (US) Daox's Grey Prius - '04 Toyota Prius Team Toyota 90 day: 49.53 mpg (US) Daox's Insight - '00 Honda Insight 90 day: 64.33 mpg (US) Swarthy - '14 Mitsubishi Mirage DE Mitsubishi 90 day: 56.69 mpg (US) Daox's Volt - '13 Chevrolet Volt Thanks: 2,501 Thanked 2,586 Times in 1,554 Posts	The general rule of thumb is to always block the upper grill first. This pushes more air over the top of the car (vs more air under the car) where the aerodynamic shape is more clean. I'm not sure why you'd want to add vents to the hood. __________________ Current project: A better alternator delete