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04-23-2013
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#1 |
 
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,161
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IAT Relocation?
So I have all the pieces to do this..
BUT where is the BEST place to relocate it to? when it is relocated what am I changing in the Calibration?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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04-23-2013
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#2 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: IAT Relocation?
There is a hole in the air dam/intake for the radiator.....sensor fits well in that location
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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04-23-2013
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#3 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,161
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Re: IAT Relocation?
Quote:
or is it on the side of the air box?
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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04-23-2013
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#4 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: IAT Relocation?
Its in this area, Mr Haibeck has a bracket he makes I believe
http://zr1specialist.com/HAT%20Web/p...r%20sensor.htm
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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04-23-2013
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#5 |
 
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,119
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Re: IAT Relocation?
I think Dom did this mod as well. Also -=Jeff=- he can answer your cal questions on what table changes
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04-23-2013
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#6 | |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,161
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Re: IAT Relocation?
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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04-23-2013
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#7 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: IAT Relocation?
Unless you modify the cal to reflect using an IAT rather than an MAT, not sure what the point of the relo is. With no change the ECM will use the values it has for cooler MAT, essentially what happens during warmup. Once you do that, you'll want to check the VE tables.
Last edited by XfireZ51; 04-23-2013 at 07:57 PM. |
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04-23-2013
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#8 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,161
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Re: IAT Relocation?
So a waste of time to do?
__________________
1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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04-23-2013
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#9 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,686
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Re: IAT Relocation?
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Having said that, you need to change the cal so that it works with an IAT not an MAT just like other mods. The table needs to reflect that. My sense is that the advantage is for a more consistent fueling based on Intake Air rather than using a sensor which could get heat soaked and so introduces a false reading. Just playing around it seemed to me that I was getting a more consistent AFR w less variation. BUT, the cal needs to be modded to accommodate that. |
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04-23-2013
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#10 |
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Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,161
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Re: IAT Relocation?
SO which table will I be changing if I move the sensor? (prior to playing with VE)
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Shelby Series 1 - Wilwood Brakes Custom Interior NCM Lifetime Member #978 |
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Linear Mode
