AMC Eagle Den Forum
The Mighty 258 => Fuel Systems. => Topic started by: eaglefreek on June 08, 2014, 08:53:58 PM
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I purchased an AEM wodeband O2 gauge about 3 years ago to use with the Megasquirt EFI conversion I want to do some day. I'm off work for two months due to a shoulder injury and have been going stir crazy being trapped at home and low on funds. I decided to install it today. I had an O2 bung welded on the exhaust a few months ago when I had the exhaust redone for the AW4 swap. After spending some time trying to figure out where to mount it, I decided to take the transmission temperature gauge out of my console and install the O2 gauge in it's place.I thought for sure it was running a little rich and could squeeze a little more MPG out of it by going a little leaner. Well, it turns out I've got it tuned pretty darn good already. It was in the 12's at idle and I adjusted the air mixture screws to be in mid 13's. At part throttle cruising, it's at about 16.5:1 which according to the video below, is best economy. It's in the low 14's at WOT. Technically I could go a little richer. I may try that to see if there is any power difference, but it runs great now with no pinging.
https://www.youtube.com/watch?v=EY78uPXvvY0
(http://img.photobucket.com/albums/v637/svoman2300/2014-06-08_18-36-20_478_zps6ktw1goy.jpg) (http://smg.photobucket.com/user/svoman2300/media/2014-06-08_18-36-20_478_zps6ktw1goy.jpg.html)
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you had a tranny temp gauge? i am trying to install one and am wondering if the car has a stock place to screw and oil temp gauge into or if i need to rig something.....
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I have an auxiliary cooler and installed a tee into the return line.
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good deal that exactly what i was going to do.. thanks