Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Which one first: "Smart" hot air intake or active grill shutters?

Miller88 · 04-11-2013, 01:34 PM

If you can shut the grille off, your stock air intake is most likely going to be a WAI. There isn't going to be any cool air getting into the engine bay (or a lot less), so you'll be sucking in warmer air.

04-11-2013, 01:34 PM	#5 (permalink)
Miller88 Master EcoModder Join Date: Jul 2008 Location: NY state Posts: 501 XJ Cherokee - '00 Jeep Cherokee Sport 90 day: 12.96 mpg (US) FoFO - '11 Ford Focus SE 90 day: 36.78 mpg (US) Thanks: 1 Thanked 51 Times in 38 Posts	If you can shut the grille off, your stock air intake is most likely going to be a WAI. There isn't going to be any cool air getting into the engine bay (or a lot less), so you'll be sucking in warmer air.