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LTH = Installed, Review

I got the nut off. Install almost complete now.

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Old 04-21-2010, 09:35 AM   #46 (permalink)
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I got the nut off. Install almost complete now.
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Old 04-21-2010, 09:36 AM   #47 (permalink)
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I got the nut off.
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Old 04-21-2010, 09:37 AM   #48 (permalink)
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Originally Posted by semtex View Post
I got the nut off. Install almost complete now.
Nice, What did you use to get it off?
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Old 04-21-2010, 09:39 AM   #49 (permalink)
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Nice, What did you use to get it off?
His hands and some elbow grease
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Old 04-21-2010, 09:47 AM   #50 (permalink)
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Originally Posted by FailsafePerf View Post
The ecu only 'learns' in closed-loop mode, which is only used for idle/low load/cruise conditions. During acceleration, deceleration, and WOT (wide open throttle), the ecu relies on its pre-programmed fuel and ignition tables. That's why products like Osiris and Accessport exist, to reprogram what the ecu does at WOT.
That's good to know, I asked this question here the other day: How do you do a proper dyno comparison?

Funny how opinions and wrong info can turn into fact on message boards. Several people in other threads have been saying that the car will get faster and dyno higher after 20-60 miles. Which led me to start that thread. Dynoing would be a real pain if you to drive it around for awhile after each mod.
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Old 04-21-2010, 10:27 AM   #51 (permalink)
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lol yup got my care package. looks great just have to find some time to install these.. I already did the x pipe myself thats easy.. as far as the headers do you absolutely have to disconnect the steering knuckle.. if i remember correctly your test pipe install said to do the same thing but i got it done without disconnecting it..
Yes,

You have to dis connect the steering shaft. You will never get the driver side manifold out or the new header in if you don't.
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Old 04-21-2010, 10:35 AM   #52 (permalink)
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I got the nut off. Install almost complete now.
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Old 04-21-2010, 10:39 AM   #53 (permalink)
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Dyno posted on first post. Take it for what it is.
Tony mentioned that he spoke to you about doing the Dyno on 5th gear instead of fourth...Just wondering shouldn't the Dyno guys at the shop have known this?

Tony do you think its gonna make a significant difference if he does another run on 5th gear? Would you recommend that it runs awhile first before he should choose to try again?
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Old 04-21-2010, 10:48 AM   #54 (permalink)
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Originally Posted by FailsafePerf View Post
The ecu only 'learns' in closed-loop mode, which is only used for idle/low load/cruise conditions. During acceleration, deceleration, and WOT (wide open throttle), the ecu relies on its pre-programmed fuel and ignition tables. That's why products like Osiris and Accessport exist, to reprogram what the ecu does at WOT.
So then why after a modification That hasn't been given time on the car power increases with each pull.
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Old 04-21-2010, 11:00 AM   #55 (permalink)
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Install complete. Making quick teaser vid for you guys now. Full review will follow. Dyno and re-tune (if necessary) scheduled for Fri. morning.
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Old 04-21-2010, 11:03 AM   #56 (permalink)
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Nice, What did you use to get it off?
I'll cover this when I do my full review.
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Old 04-21-2010, 11:31 AM   #57 (permalink)
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So then why after a modification That hasn't been given time on the car power increases with each pull.
I haven't personally seen this trend first hand. I will, however, test this out in a couple of days when I dyno a customers 370Z. We already have baseline dyno's that were ran well after the mods were installed. If the ecu had adjusted for them in open loop, it would have been reflected on those pulls. Before I do these next set of pulls, I will reset the long term fuel settings. If what you are saying is correct, then I should, theoretically, lose power.

If I'm wrong, I'll gladly come back here and eat crow
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Old 04-21-2010, 11:48 AM   #58 (permalink)
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wouldn't the "pedal trick" reset the ECU and have it relearn in about 50-100 miles?
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Old 04-21-2010, 11:59 AM   #59 (permalink)
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Vid posted. You can view it here -> Semtex's Monterey Blue 370Z
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Old 04-21-2010, 12:10 PM   #60 (permalink)
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Vid posted. You can view it here -> Semtex's Monterey Blue 370Z
Sounds mean!! that's what i'm talking bout. Cant wait for the launch vids!!! Thanks for the vids. I cant even imagine how much better it sounds in person
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