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It is currently Sun Nov 24, 2024 5:52 pm
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[ 4 posts ] |
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Incidental Megasquirt Update
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm
Posts: 1276
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 Incidental Megasquirt Update I was out in the garage tonight fiddling around with things and decided to pull a spark plug on the Bronco. Here are three plugs from different sets I've installed:
- Plug on the right was the original that the PO installed and was run only on the carb. The carb was tuned as well as could be with the old cam.
- Plug in the center was run with the carb and later switched to early EFI and different cam. The insulator was slightly cleaner. Honestly though, I was disappointed and started to doubt whether Megasquirt could accomplish my goals.
- Plug on the left was just pulled tonight. It has been installed for several thousand miles. The insulator is still like-new clean. I'm not sure they will stay that way, but the ground electrode has a nice light tan coloring indicating good burn characteristics.
Spark Plugs.jpg
This was really encouraging since I have been banging my head against the side of the truck most days trying to get this system perfect. I don't have hard numbers yet, but mileage was a solid 10-11 mpg average with a carb and aggressive cam and now is an indicated 15-17 mpg average with EFI and a mild cam. Even if the real average ends up being 14-15mpg, that is still a 40% improvement along with other EFI benefits.
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Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc.
Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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| Thu Apr 13, 2017 12:08 am |
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Kinder
Official CCB Member
Joined: Wed Sep 29, 2010 10:03 pm
Posts: 4371
Images: 0
Location: Parker, CO
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Re: Incidental Megasquirt Update Wow, that is an amazing improvement.
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Best to Date MPG: 26.6
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| Thu Apr 13, 2017 12:01 pm |
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Justin
Official CCB Member
Joined: Sun Oct 10, 2010 12:04 am
Posts: 6198
Images: 0
Location: Lakewood
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Re: Incidental Megasquirt Update Agreed, wow. How much of that was the ability to finely tune it?
Sent from my SM-N920V using Tapatalk
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| Thu Apr 13, 2017 5:18 pm |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm
Posts: 1276
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Re: Incidental Megasquirt Update
_________________
Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc.
Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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| Fri Apr 14, 2017 9:36 am |
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