Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - performance chips. Do they really increase MPG?

Duffman · 07-02-2008, 12:09 AM

They do on the diesels, I dont have one on a gas engine to tell you about that. My guess is yes but you might need higher octane to do it.

07-02-2008, 12:09 AM	#2 (permalink)
Duffman Master EcoModder Join Date: Mar 2008 Location: Edmonton, AB, Canada Posts: 480 Thanks: 3 Thanked 5 Times in 5 Posts	They do on the diesels, I dont have one on a gas engine to tell you about that. My guess is yes but you might need higher octane to do it.