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Old 01-06-2020, 08:34 PM   #70 (permalink)
M_a_t_t
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Join Date: Nov 2015
Location: Indiana
Posts: 718

The Van - '95 Chevy Astro Cl V8 Swapped
Team Chevy
90 day: 7.84 mpg (US)

The new bike - '17 Kawasaki Versys X 300 abs
Motorcycle
90 day: 71.94 mpg (US)

The Mercury - '95 Mercury Tracer Trio
Team Ford
90 day: 34.35 mpg (US)

Toyota - '22 Toyota Corolla Hatchback
90 day: 40.11 mpg (US)
Thanks: 131
Thanked 258 Times in 188 Posts
I think I got lean burn figured out. I just adjusted it until it stayed between 16.5 and 17:1 (the suggested afr values) while cruising. I am having an issue, and I haven't driven enough to find the cause, where after awhile the car just basically quits trying. It doesn't die, but it loses all power and goes lean past 19:1 (gauge limit). Whats interesting though is if I flip the switch back and go into dfco then give it some gas, like to get back up to speed or even just a little, I can flip it back to lean and it repeats from there. It did increase my instant mileage by about 5 mpg (up to 45) at 55-60. MPGuino isn't calibrated yet though so hopefully that number goes up as I finish calibration. I know the best the MPGuino has shown on my trip to work was just a hair past 36, so hopefully tomorrow I will know if/how much lean burn has helped.

I also had my first problem with the alternator delete. I did a lot (~50 miles) of testing with the lean burn going back and forth down a low traffic road with a high enough speed limit and completely spaced how much range I had. I'm not sure I even had a full charge when I left this morning. Well I pulled over and turned the car off to reset the mpguino and I was going to do a non lean burn and a lean burn run to make sure I was getting useable fuel economy and I went to restart the car and nothing..... Got out and checked and it was at 11v I had to get a jump start and then drove the car home a few miles and plugged it in.
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1973 Fiat 124 Special
1975 Honda Civic CVCC 4spd
1981 Kawasaki KZ750E
1981 Kawasaki KZ650 CSR
1983 Kawasaki KZ1100-A3
1986 Nissan 300zx Turbo 5 spd
1995 Chevy Astro RWD (current project)
1995 Mercury Tracer
2017 Kawasaki VersysX 300
2022 Corolla Hatchback 6MT

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