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Old 09-20-2021, 02:40 PM   #1
IneedAZ


 
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How many Bar Sensor?

Question...how many bar sensor does our ZL1 use and when the car is modded with a 2650 and cam, is it changed?
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2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-20-2021, 06:46 PM   #2
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Stock is a 4 bar TMAP, no need to change from the perspective of pressure measurement limits.
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Old 09-20-2021, 06:53 PM   #3
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Quote:
Originally Posted by LiqTenExp View Post
Stock is a 4 bar TMAP, no need to change from the perspective of pressure measurement limits.
Ok, thanks..I was curious cause of tuning the VE. Didn't realize it went that high
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Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-20-2021, 08:04 PM   #4
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Yeah, not sure why they went 4 bar... I actually considered going to 3 bar map to get better resolution in SD tuning but never got around to it.
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Old 09-20-2021, 08:13 PM   #5
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Quote:
Originally Posted by LiqTenExp View Post
Yeah, not sure why they went 4 bar... I actually considered going to 3 bar map to get better resolution in SD tuning but never got around to it.
By chance do you remember where the setting is to select what bar it is? Been a long while since I looked at that setting. Just want to verify it's correct.
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Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-20-2021, 08:20 PM   #6
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Engine\Airflow\General\MAP (this is just info more or less about the expected values on car)
Max = 180 kPa
Min = 10 kPa

Engine\Airflow\General\MAP Estimation (these are the important values for MAP, stock LT4 settings):
MAP Sensor Linear = 425 kPa
MAP Sensor Offset = -32.50 kPA

The MAP sensor for example used on LS9/LSA is a 3 bar:
MAP Sensor Linear = 312.5kPa
MAP Sensor Offset = -11.25 kPA
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Old 09-21-2021, 07:38 AM   #7
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thanks for the info!!
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Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-21-2021, 08:50 AM   #8
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Isn't there also a place in either VVE or VT tables that you select how many bar you are running? I cannot seem to find it. I could be wrong though!
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Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-21-2021, 08:52 AM   #9
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Yes I was just going to post this. Click on the Map/Baro axis label(left side of the map) in VVE and you can select Bar 1-3 in the default drop down menu.
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Old 09-21-2021, 09:12 AM   #10
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Quote:
Originally Posted by KingLT1 View Post
Yes I was just going to post this. Click on the Map/Baro axis label(left side of the map) in VVE and you can select Bar 1-3 in the default drop down menu.
thanks..do we still choose 3 even though im told we use a 4bar on the ZL1?

Also, have you tried logging using the FlowFactor pid?
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Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

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Old 09-21-2021, 10:11 AM   #11
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If you are running more then 14.7psi boost then you need to use 3 bar. Just because the MAP is 4 bar doesn't mean you have to use 4 bar scale for tuning. 3 bar covers up to 29.7psi of boost.

No I haven't had a chance to try it.
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2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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Old 09-21-2021, 10:38 AM   #12
IneedAZ


 
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Quote:
Originally Posted by KingLT1 View Post
If you are running more then 14.7psi boost then you need to use 3 bar. Just because the MAP is 4 bar doesn't mean you have to use 4 bar scale for tuning. 3 bar covers up to 29.7psi of boost.

No I haven't had a chance to try it.
ok, i tried but it i just get zeros. Not sure why it works on Goats Z06 but not a ZL1 with same motor
__________________
Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

Sold 2018 (Go Mango) Dodge Charger Daytona 392 Daily Driver

Daily Driver 2021 BMW M340i Xdrive
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Old 09-21-2021, 10:45 AM   #13
KingLT1


 
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The flow factor PID just reports zeros?
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2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
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Old 09-21-2021, 10:48 AM   #14
IneedAZ


 
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Quote:
Originally Posted by KingLT1 View Post
The flow factor PID just reports zeros?
rewatch his video and u will see it show various numbers cause he even commented about 32%
__________________
Sold 2012 2LT RS 12.3@112 old setup

Sold 1967 Camaro Pro Street. Ran 10's mild BB on NOS.

2017 HyperBlue ZL1 A10 ** Born 3/17/17**Delivered 4/08/17
2020 Build: Mag2650, BTR Stage2, NW103, BG, 14% lower, 90mm upper, ARH 2" Long system w/no cats, SW Legend mufflers. **807hp/762tq on 93 gas** and **848hp/792tq on e47**

Sold 2018 (Go Mango) Dodge Charger Daytona 392 Daily Driver

Daily Driver 2021 BMW M340i Xdrive
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