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Old 08-02-2009, 01:51 PM   #1
326350z
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Default 2* timing advance

I found this
http://losangeles.craigslist.org/lgb...292231582.html
is this a scam? or real?
has anyone done this?
Thanks
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Old 08-02-2009, 01:55 PM   #2
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it is very common for Titans, but I have never seen it for 350Z's
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Old 08-02-2009, 02:03 PM   #3
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I email him last nite and he just got back to me with this...........
I've been doing timing advances for about a year and a half. It takes about 1 minute start to finish. You can do the timing advance anytime. Future mods don't change the advance in any way. Think of it as a standalone mod. I've done several 350z's already. That engine seems to get a good response from the advance. I had a guy with a automatic 2005 G35 who said he couldn't spin his wheels before the mod but was able to after the mod. I'm available tomorrow if you're interested.

So what do you guys think?
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Old 08-02-2009, 02:18 PM   #4
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its a must have if that guy is spinnin his wheels with it...must be great
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Old 08-02-2009, 02:59 PM   #5
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I know years ago it was common for guys with 03/04s to report that they got it done by dealers. The 2004.5 Z came with the ULEV ECU which I understood that the advance couldn't be done on. It could be that it's not legal for a dealer to change it but an outsider might be able.
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Old 08-02-2009, 03:05 PM   #6
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so it basically sets at say 3500k RPMs ,or whatever you want it to be?

for 25 bucks? why not.Chump change!
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Old 08-02-2009, 04:03 PM   #7
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No, he's setting the timing up 2. Keep in mind that if the knock sensor pick up any signs, the first thing it does is pull timing.
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Old 08-02-2009, 04:23 PM   #8
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Will this void the factory warranty?
Thanks for you guys input.
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Old 08-02-2009, 04:28 PM   #9
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DoH!!!....

i was mistaking it for 2 step..

my mistake.

How can this NOT void warranty,ur messing with the timming!!!
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Old 08-02-2009, 08:47 PM   #10
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This will probably void your warranty; they'll say "you advanced your timing which resulted in....". But what they don't know can't hurt them
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Old 08-03-2009, 08:11 AM   #11
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Warranted voided - yes.

Do NOT just toss an extra 2^ of timing into the engine management system blindly. You need to compensate with octane or further tuning.

It can be done on the Titan because it requires 87 octane. Add timing and run 91 - compensation taken care of. The knock sensors on our cars aren't really that great, and there is non-audible detonation as well. This is a risky area to plan in when done blindly.
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Old 08-03-2009, 09:41 AM   #12
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People should keep in mind our cars tend to be quite lean with only a few minimum breather mods......adding timing is the last thing you would want to do. The ECU will more than likely just pull the timing back anyway.
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Old 08-03-2009, 02:29 PM   #13
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ya this isnt safe dont do it
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Old 08-03-2009, 02:33 PM   #14
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Yeah i was never planing to do it. I dont want to void my factory warranty. By the way will a nismo cai void my warranty or exhaust?
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Old 08-03-2009, 03:36 PM   #15
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Timing advance will not void the warranty because the dealer will not be aware that it is done. However, this mod is only good as long as you do not reset the ecu. Everytime the ecu is reset via a OBD2 scanner, it will go back to defaults. As for it being safe? It is safe. If you were advancing 10 degrees then it's an issue, but 2 degrees is within performance range. In fact, aftermarket timing gears usually are setup advanced around 2.5 degrees depending on your cam profile, etc. Generally speaking, when you send your ECU out to get a retune... they are advancing the timing according to the maps they use. Everyone is already using high octane, therefore there is room for the advanced timing. Majority of engines I build and dyno runs, just about every engine gets a few degrees of timing advance to reach the max hp #'s. There are some cases where there is a retard in timing but it's usualy due to how the cams and amount of boost psi the motor is running.

Conclusion: 2 degree timing is safe on your engine since your setup is mainly stock.

FYI: ALL cars experience a spike lean condition, thats why we have o2 sensor for it to adjust. Knock sensors retard timing as needed when needed. 2 degree advance is basically setting the map curve to allow 2 more degrees which makes a noticeable difference in throttle response.

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Old 08-03-2009, 05:40 PM   #16
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it will not void the warranty because it is still within spec taking timing from 15* to 17*

spec is 15* + or - 5*
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Old 08-17-2009, 06:51 AM   #17
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So, can you advance timing on the 06 revup engines?
Can you really feel the difference with 2 degrees advance?
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Old 08-17-2009, 11:50 AM   #18
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A lot of crazy information in this thread.

Nissan's Consult II OBDII ECU programmer has an option to advance and retard ignition timing. You can use it to advance 1 or 2 degrees or retard 1 or 2 degrees from the current timing setting. It is mainly used to get out of spec cars into spec. It's not actually meant to be a performance option.

UpRev sells a Consult II clone named Cipher that can also increase and decrease the timing just like a Consult. I tried it years ago and have bumped the timing for many people that want it done. I don't see much merit to it, but some people think it makes a big difference. It depends on the car.

Since it's something a Nissan dealership can do, I doubt it affects your warranty.

It's nothing like changing your ignition timing with Osiris.

It does not get reset when you reset the ECU.


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Old 08-17-2009, 12:22 PM   #19
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I've just been doing a bit of searching, and it seems the sweet spot would be around 13 - 13.5 AFR, and about 2 degrees advance timing across the board from the stock setting. This is all info from about 2007.
Is that about right, or have things changed recently?
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Old 08-17-2009, 12:22 PM
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