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What's better? VAFC II or 02-03 ECU

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Old 02-14-2007, 12:33 PM
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Originally Posted by GOS2K007,Feb 14 2007, 09:30 AM
Good explanation.
Terrible explanation actually, consindering that closed loop relies on O2 sensor feedback while at part throttle, and open loop under WOT is what is reading off of the fuel maps and is ignoring o2 sensor input. He had how they operate backwards.
Old 02-14-2007, 12:46 PM
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Originally Posted by Emil St-Hilaire,Feb 14 2007, 06:10 AM
Greedy Ultimate E-Manage.!!!
Old 02-14-2007, 01:40 PM
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For someone who just wants I/H/E and a tune, what is better? ECU or VAFC? The E-manage is overkill for basic mods, but it would be nice to get some partial throttle gains...
Old 02-14-2007, 06:10 PM
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[QUOTE=Hero,Feb 14 2007, 02:37 PM] i was looking into that, but i've heard the e-manage doesn't always work as its features advertise.

still looking it over....seems like a good middle ground.
Old 02-14-2007, 06:32 PM
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Wondering the same...
Subscribing...
Old 02-15-2007, 03:57 AM
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Originally Posted by DFWs2k,Feb 14 2007, 07:10 PM
Some people have been getting +30 hp and a lot of mid level gains on a STOCK s2 with the greddy ultimate e-manage. I would look into that. There's a whole thread about tuning with it on s2ki somewhere and the thread also lists some of the gains.

You just need a good tuner that can tune the greddy and not blow up your engine.
That's pretty impressive. The $1000 the e-manage costs would be worth it for 30HP. Especially since I'd like to go FI one day. I'd like to hear more about that if you have any other info.
Old 02-15-2007, 07:13 AM
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Originally Posted by DFWs2k,Feb 14 2007, 07:10 PM
Some people have been getting +30 hp and a lot of mid level gains on a STOCK s2 with the greddy ultimate e-manage. I would look into that. There's a whole thread about tuning with it on s2ki somewhere and the thread also lists some of the gains.

You just need a good tuner that can tune the greddy and not blow up your engine.
i'll definetly be looking into it more then.

looks like most of the problems were with greddy e-manage blue.

there's a new version of the ultimate that seems to be working pretty well.
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