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Author Topic: Volumeteric Efficiency vs Load with pics  (Read 12551 times)
mister t
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« Reply #15 on: March 17, 2018, 12:08:51 AM »

So to get away from the bickering I decided to take the time and make a VE map of my car for you all to peruse.

I found a calculator that lets me correct for baro pressure and air temp.

Then, I found a data log that had a good spread of operating points. I took RPM x throttle angle x MAF, put it into a 16x11 map, painstakingly input the data from all 176 cells into another spreadsheet and then put the results into winOLS to get a 3D representation.

Here's the raw data
S4 560A VE AND MAF TABLES COMBINED SPREADSHEET by zimbu themonkey, on Flickr

Here's what the map looks like
S4 560A VE TABLE by zimbu themonkey, on Flickr

Anyway, maybe someone might have some use for this. Any thoughts?
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arell
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« Reply #16 on: December 04, 2022, 08:11:16 PM »

then which map converts airmass (kg/h) into load/pressure in the first place?
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