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Baltothewolf · 03-31-2016, 02:51 AM

EGR does help with highway efficiency. I would do a test of 21.1AFR and EGR, with about 50-60* timing. See what happens, you may be surprised. My insight runs about 35* at 70mph at medium load in lean burn (21.1AFR).

03-31-2016, 02:51 AM	#11 (permalink)
Baltothewolf Furry Furfag Join Date: Nov 2013 Location: Apple Valley Posts: 2,084 Winsight - '00 Honda Insight 90 day: 56.69 mpg (US) Miaderp - '95 Mazda Miata 90 day: 28.53 mpg (US) Thanks: 67 Thanked 409 Times in 313 Posts	EGR does help with highway efficiency. I would do a test of 21.1AFR and EGR, with about 50-60* timing. See what happens, you may be surprised. My insight runs about 35* at 70mph at medium load in lean burn (21.1AFR). __________________