5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Differences between 350Z/G35 and 5.5 Gen ECU?

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Old Oct 20, 2006 | 06:20 AM
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zero2sixtyZ's Avatar
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Differences between 350Z/G35 and 5.5 Gen ECU?

This is probably a stupid question, but I was reading about CobbTuning's AccessPort on the Vboard/Cobb Forums and stumbled upon their development thread for the 350Z/G35:

Link:http://www.cobbforums.com/forums/showthread.php?t=31352

Anyways, I'm sure there are differences, but would something like this be easy for them to develop for our cars? I would think this could be much better than a SAFC/VAFC, provided I don't know TOO much about them. If this is a retarded thread, flame away.
Old Oct 20, 2006 | 06:43 AM
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BTW, they are taking off with this for the Sentra for things like better timing, fuel maps, data logging, and complete original returnability. I would hope if there's enough interest on this, as they are located in Utah, maybe someone local could let them check out their ECU for a bit?
Old Oct 22, 2006 | 06:30 PM
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While this is a good idea, it won't work for us even if it comes through.

I'm not sure if the connectors are same (I think they are), but the pinouts are completely different. I know the Z/Gs share the same connectors and pinouts as some later year Maximas and Altis, but definitely not the 5/5.5 Maximas.
Old Oct 22, 2006 | 07:21 PM
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What is done to our engines in the 5.5's to get 287 Hp on the Z's?? Different Intake and exhaust?? Thats alot more Hp out of that engine. Is there something we can do to make it more like the 350z version?
Old Oct 22, 2006 | 08:59 PM
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Originally Posted by twitch579
What is done to our engines in the 5.5's to get 287 Hp on the Z's?? Different Intake and exhaust?? Thats alot more Hp out of that engine. Is there something we can do to make it more like the 350z version?

IIRC, Intake, exhaust, cam's and tuning differences.
Old Oct 22, 2006 | 10:56 PM
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exhaust VTC's, timing (and other computer controls), intake, exhaust. if you mean the 300hp (298) version then cams, even more different intake, and maybe even heads are different
Old Oct 22, 2006 | 11:09 PM
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Except for the Rev up motors they all share identical engine internals. The main differences are intake manifold, exhaust system and minor ecu changes. The ECU's are completely different and won't be interchangable with any 5th gen Max. The exhaust seems to be the majority of the power differences.
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