MAF question (VE tables)

1BDTRAM said:
Hey guys...

In relation to the LS1s... Do MAFs have their own VE table, or do they simply just reference the cars VE table?
Click to expand...
mafs have a gram scale

the ve table just gives the efficiency, which uses the other factors such as intake temp and rpm to calculate the gram of airflow

so no, they dont have there own ve table
 
my8950 said:
Actually the MAF measures the fresh air flow going into the engine and outputs either a voltage or a frequency. Then, the voltage or frequency is an input to some sort of look up table that gives a matching fuel measurement.

Either way though, might want to take this to the help forum, or anywhere else outside the for sale forum before everyone starts complaining...
Click to expand...

So you agree that the MAF alone, does not have it's very own VE Table....?
 
Sean said:
The MAF has a table that correlates sensor output to airflow. Not a Ve table.
Click to expand...

Yup, it basically dials in the MAF for different induction systems. I once overlaid a 5.3 truck curve with a LS2 truck curve with a Corvette MAF curve. The plots were the same until the higher flow rates, and even then the shift was around 1%..
 
beertestr said:
Yup, it basically dials in the MAF for different induction systems. I once overlaid a 5.3 truck curve with a LS2 truck curve with a Corvette MAF curve. The plots were the same until the higher flow rates, and even then the shift was around 1%..
Click to expand...
And that was probably just a tweak in the calibration for all mafs, not an engine specific tweak
 
cjmatt said:
And that was probably just a tweak in the calibration for all mafs, not an engine specific tweak
Click to expand...

Yes, it's induction specific, i.e. filter, airbox and duct. To take it one step further, it's really a function of flow restriction upstream of the sensor.
 
Actually I know who does those calibrations. those are done in a Lab for airbox and induction tubbing. Not so much a restriction issue as a ducting noise problem.
 
Sean said:
Actually I know who does those calibrations. those are done in a Lab for airbox and induction tubbing. Not so much a restriction issue as a ducting noise problem.
Click to expand...

yeah, has more to do with how smooth the air moves through the ducting, correct?
 
You must log in or register to reply here.
Back
Top