LS3 MAP Sensor Question
Thread Starter
Racer
Joined: Jul 2004
Posts: 408
Likes: 0
From: Buffalo NY
LS3 MAP Sensor Question
What is the stock limit of the LS3 MAP sensor? I can't find a definitive answer, I have seen 1.5bar, and 2bar. What is the true limit? And does anyone have the voltage vs pressure scale.
Thanks.
Thanks.
Pro
Joined: Feb 2003
Posts: 745
Likes: 136
From: Detroit MI
The sensor's physical limit is about 128kPa (1.2bar), but the diagnostics clip that a little bit. You'll see that the software basically stops counting around 105kPa (1bar) since the factory never intended that sensor to be used on anything other than atmospheric pressure.
If you're running a turbo or supercharger, the LS9/LSA MAP sensor is a direct swap that only requires a change to two values in the PCM to make it work perfect. This sensor is good for about 300kPa (3bar).
If you're running a turbo or supercharger, the LS9/LSA MAP sensor is a direct swap that only requires a change to two values in the PCM to make it work perfect. This sensor is good for about 300kPa (3bar).
Thread Starter
Racer
Joined: Jul 2004
Posts: 408
Likes: 0
From: Buffalo NY
The sensor's physical limit is about 128kPa (1.2bar), but the diagnostics clip that a little bit. You'll see that the software basically stops counting around 105kPa (1bar) since the factory never intended that sensor to be used on anything other than atmospheric pressure.
If you're running a turbo or supercharger, the LS9/LSA MAP sensor is a direct swap that only requires a change to two values in the PCM to make it work perfect. This sensor is good for about 300kPa (3bar).
If you're running a turbo or supercharger, the LS9/LSA MAP sensor is a direct swap that only requires a change to two values in the PCM to make it work perfect. This sensor is good for about 300kPa (3bar).
