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ECUs and Tuning Discuss Engine Management, Tuning, & Programming

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Old 04-19-2011, 04:11 PM   #21
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I would recommend that you cancel your dyno. Don't dyno the car until you understand your ECU. I would not rely on the dyno operator being a MS expert (unless he claims to be and at least one disinterested party has confirmed it). You could waste a lot of money otherwise. Dyno time should be used to refine your spark map. Your should have pretty solid fuel before showing up.
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Old 04-19-2011, 04:18 PM   #22
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Quote:
Originally Posted by Jeff_Ciesielski View Post
People still use MLV to autotune fuel? I thought it was pretty standard practice to use VE-A live at this point....
Like I said, that's how I do it, and if he hasn't tuned it at all, that will get him started. I am pretty sure you have to register the software in order to use VE-analyze live. My tuning computer is an old piece with a broken Ethernet card and no wireless so I couldn't register, even if I wasn't a cheap SOB.
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Old 04-19-2011, 06:41 PM   #23
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Thanks guys, it's all sorted. Was the injector constant, as Brain suggested. I also got a little idle and cruise tuning in. Now idles at stoich and cruises at ~15:1. WOT with 16 pounds it's at 11.5:1.

Thanks!
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Old 04-19-2011, 06:44 PM   #24
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Quote:
Originally Posted by hornetball View Post
I would recommend that you cancel your dyno. Don't dyno the car until you understand your ECU. I would not rely on the dyno operator being a MS expert (unless he claims to be and at least one disinterested party has confirmed it). You could waste a lot of money otherwise. Dyno time should be used to refine your spark map. Your should have pretty solid fuel before showing up.
It's not for tuning, it's a power day . Already tuned the spark, I was just running on the base fuel map. Funny thing is it worked for nearly a year with no problems... Lucky me.
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Old 04-19-2011, 06:45 PM   #25
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my basemaps are pretty win.
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