Originally Posted by Red__Zed To those asking about install difficulty, expect 10-12 hours as a competent mechanic. To those asking about VVEL, this is an exhaust cam. That doesn't necessarily
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02-29-2012, 04:42 PM | #31 (permalink) | |
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Also, note that JUN provides their own ECU with it. Along with a spark and fuel reflash, it might also have different VVEL tuning in they were able to work with Nissan on it -- we just don't know.
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02-29-2012, 04:47 PM | #32 (permalink) | ||
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Based on what I've seen, I'm positive there is closed loop feedback. We just need to see how good the system is at adapting. |
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02-29-2012, 08:11 PM | #34 (permalink) |
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So who wants to buy it and ship them to me?
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03-01-2012, 12:23 AM | #35 (permalink) | |
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For example, fuel trims aimed at keeping a target AFR that reflects a stoichiometric mixture of gasoline and air will not do a good job of adapting to a new fuel with different stoichiometrics, such as methanol, without changing the parameters. It will just run poorly as it tries desperately to tune for the wrong fuel. As soon as you change the physical parameters without updating the ECU, it's anybody's guess. We definitely need more info from JUN.
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03-01-2012, 07:50 AM | #36 (permalink) |
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If i remember correctly,
Back in a while, Uprev was able to crack the cams maps in VVEL but they said that they didnt find any kind of gains and they need an aftermarket cams to test it again or something like that... Well Uprev... you got what you ask for! |
03-01-2012, 08:36 AM | #38 (permalink) |
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Is anyone trying to unlock tuning the VVEL?
theDreamer has a post halfway down the page that touches on this matter. |
03-01-2012, 08:44 AM | #39 (permalink) | |
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03-01-2012, 08:59 AM | #40 (permalink) | |
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03-01-2012, 09:13 AM | #41 (permalink) |
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Well I just asked JUN if, all power gains aside, these would be ok to run on a stock motor or if the additional modifications they made would be necessary (primarily the fuel injectors and the ECU). Hopefully they get back to me soon.
But it is 11PM over there right now, so I may have to wait a bit. lol Last edited by The Dimer; 03-01-2012 at 09:18 AM. |
03-01-2012, 10:22 AM | #42 (permalink) |
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I will shoot another email to Uprev and see what they say.
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03-01-2012, 10:42 AM | #43 (permalink) |
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can the JUN cams be used with exhaust camgears? Jim Wolf Technology website
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