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> FIRST B-SERIES MANI USED, FIRST TO USE
post Aug 15, 2005 - 4:47 PM
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lagos



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QUOTE(playr158 @ Aug 15, 2005 - 3:33 PM)
yea art you have to remember 7a is not AFM wink.gif

so lol its different for us....and trust me it can mess up a decent amount with out that in there post intercooler
[right][snapback]324417[/snapback][/right]



well yeah, doh ! smile.gif

if u can get it sealed up, then its good in the ic piping too. just saying that i dont think it would make a big differnece pre of post turbo ... just my opinion tho


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post Aug 15, 2005 - 5:34 PM
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QUOTE
what i was trying to say is....
on the 3s, the afm measures intake temp and the amount of air, through the afm, before the turbo. the odd thing is, you would think toyota would want to measure the air after the turbo heats it, but they dont. that leads me to think that the those sensors arent as critical as we think they are

god art, you are so stubboren sometimes, this is NOT a 3s. the AIS is ALOT more critical to us then what it is to you in your AFM setup.
the 3s setup is NOT like the 5s or 7a setup.
you cant compare the 2.
would you care for me to type out the section in the BGB that explains how it uses the AIS and what the range is, Ect?
trust me, the AIS IS important, ALOT more important to us, than it is to you with the AFM.
that said, a smaller grommet, and some RTV silicone create quite a nice seal wink.gif
:::EDIT:::
heres the info RIGHT from the BGB:
ECS (Engine Control System)
The control system consists of sensors which detect various engine conditions, and an ECM(ECU) which determine the injection volume (timing) based on the signal from the sensors.
The various sensors detect intake air pressure(MAP), engine speed(RPM), oxygen density in the exhaust gas(O2), INTAKE AIR TEMP(IAT), engine coolant temp.(ECT) and atmospheric pressure ect, and convert the info into an electrical signal which is sent to the ECM(ECU).Based on these signals, the ECM calculates the optimum ignition timing for the current conditions and operates the injectors.

with all the "fooling" the ecu we already do with the safc and map sensor stuff, the LAST thing we need to be doing is giving the ECU more false info.

This post has been edited by presure2: Aug 15, 2005 - 6:14 PM


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post Aug 15, 2005 - 7:59 PM
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lagos



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i guess what i was trying to say might be taken the wrong way ...

i was just saying that was my opinion, that clement could put it in the air intake, before the turbo, because they way he had it in his pic, didnt look air tight.... if u can get an air tight seal in the ic piping, under pressure, then keep it there!

those temp sensors arent all that precise, so it really wouldnt make much of a difference if it went pre or post turbo . all that sensor does (in an afm or map based car) is measure temps from 0 - 176F and converts it to a voltage that ranges from 5v - 0v .

This post has been edited by lagos: Aug 15, 2005 - 8:13 PM


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post Aug 15, 2005 - 8:04 PM
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here is some ref info on what all the imput sensors do and how the ecu reads them if anyone wants ... its got some good reading

http://www.autoshop101.com/forms/h24.pdf page 18


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post Aug 15, 2005 - 8:38 PM
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presure2



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art, i knew what you meant, but again, theres a REASON the sensor is there, it DOES matter where it is. if the seal isnt tight, then he needs to figure out a way to MAKE it air tight, not move the sensor to somewhere where its essensially usless. wink.gif
this is right from your link:
An IA monitor is nessecary in the EFI system because the pressure and density of air changes with temperature. Because air is more dense when cold, the ECU factors AIT into the fuel correction program.

this was exactly my point of why it NEEDS to be in the intercooler piping, post intercooler. wink.gif

This post has been edited by presure2: Aug 15, 2005 - 8:44 PM


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post Aug 18, 2005 - 10:31 AM
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Clement

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new turbo should be in ANY minute now......

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