TwinTurbo.NET: Nissan 300ZX forum - It shouldn't be...
Subject
It shouldn't be...
Posted by
Jim (Selin Design)
on June 09, 2011 at 4:33 PM
This message has been viewed
146
times.
In Reply To
Closer to what? is it normal or not? (n/m)
posted by MikeVar82
on June 09, 2011 at 04:00 PM
Message
what setup did you have before the install? Did you add any additional upgrades between tests or perform any other work/maintenance?
www.selindesign.net
Follow Ups
FYI only - if you make changes to the intake system
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The Devils Z
00:00:02 06/09/11
Interesting that mafs are supposed to "accurately" measure
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ztunerz
00:57:42 06/09/11
but if the MAF only meters air and therefore only
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ForceFedTT (SoCal)
02:42:35 06/09/11
Well...
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kickerzx
04:36:18 06/09/11
maf systems "shouldn't" need to know VE (n/m)
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Antihero
11:37:37 06/09/11
They do need to know the diameter of the tube they
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BigTDogg (MA)
11:52:06 06/09/11
and why do you think that is changing :) (n/m)
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ztunerz
12:38:48 06/09/11
On Z's it doesn't, other cars with a dip-in style meter
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BigTDogg (MA)
12:57:12 06/09/11
thats my point VE "should" have no impact on a MAF >>
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ztunerz
12:40:21 06/09/11
ummm think again, maps are already scaled (n/m)
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ztunerz
12:38:06 06/09/11
Doesn't the ECU run open loop under WOT? if that's the case
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MixManMash
08:35:46 06/09/11
AFAIK open loop means the ECU ignores the O2 sensors output,
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Inzane
09:29:32 06/09/11
Brain fart. Right, which means there would be no way for
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MixManMash
12:15:29 06/09/11
open loop refers to O2 sensors
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aliaZ
09:35:22 06/09/11
Ahh yes. Excuse the morning brain fart. (n/m)
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MixManMash
12:13:46 06/09/11
Due to saturation of the signal, recal. is recommended (n/m)
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RevTech
10:42:47 06/09/11
LOL sounds like a Mitch comment - vague and... (n/m)
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ztunerz
12:41:17 06/09/11
The scale saturates easier with the added air Mr. Harry (n/m)
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RevTech
15:04:11 06/09/11
lol (n/m)
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aliaZ
18:27:26 06/09/11
What is this statement supposed to mean? (n/m)
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Jeffblue
15:45:20 06/09/11
It means the cells accessed reaches the right side
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RevTech
17:03:15 06/09/11
So you are saying the maps are not fully expanded
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ztunerz
17:12:08 06/09/11
Harry - you actually already have my bin. Using "add mode" (n/m)
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The Devils Z
17:50:01 06/09/11
Good point. A sneak at the bin will help.
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RevTech
18:34:41 06/09/11
I noticed that after installing my selin kit my af did the
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MikeVar82
06:39:07 06/09/11
getting closer... (n/m)
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ztunerz
12:41:53 06/09/11
Closer to what? is it normal or not? (n/m)
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MikeVar82
16:00:30 06/09/11
It shouldn't be... -
Jim (Selin Design)
16:33:56 06/09/11
Nope just direct swap from single to selin. nothing else
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MikeVar82
16:40:11 06/09/11
How much of a change did you see?
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Jim (Selin Design)
18:16:44 06/09/11
About the same as OP. 11.6 to 12.6 -.8
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MikeVar82
19:03:05 06/09/11
Hmmm thats quite a change...
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Jim (Selin Design)
11:58:06 06/10/11
When I installed my selin kit .. Before and after
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The Devils Z
17:44:10 06/09/11
More questions
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ztunerz
16:52:33 06/09/11
yes, 13-14 psi, i wanna say 14-15 i think
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MikeVar82
16:56:29 06/09/11
Do you have a datascan cable ?
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ztunerz
17:01:13 06/09/11
Dont have datascan cable. ill check the voltage. (n/m)
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MikeVar82
17:04:07 06/09/11
... or get a SZ custom tune after install :D (n/m)
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vorpalZ
12:20:17 06/09/11
Hopefully not necessary.
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Wright (Ca)
13:14:25 06/09/11
"pretty good job?" Hmm...not sure I want "pretty good"
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ForceFedTT (SoCal)
15:22:48 06/09/11
I said "good" not "pretty good". (n/m)
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Wright (Ca)
18:22:16 06/09/11
What type of mods necessitate an ECU re-tune? (n/m)
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OverZealous (CT)
21:38:07 06/09/11
Have you corrected back to 11.5 using Nistune? (n/m)
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jschrauwen
14:19:26 06/09/11
not yet --after speaking to Ztuner today, I am going to
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The Devils Z
15:36:30 06/09/11
A Boost leak would render a rich condition.
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MixManMash
17:24:55 06/09/11
He will have to pressurise the entire intake tract to
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ztunerz
17:34:22 06/09/11
I was speaking more technically. I understand what you mean
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MixManMash
11:03:40 06/11/11
Negative. >>> The beauty of MAS-based EFI systems <<<<
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Ash's Z
02:55:50 06/10/11
question - so what you are saying is that based on your
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The Devils Z
09:35:17 06/10/11
For the most part, that is correct. When you also have to
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Ash's Z
10:48:59 06/10/11
.. so I have some checking .. (n/m)
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The Devils Z
17:40:10 06/10/11
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