FazdaRX_8

iTrader: (1)

so it sounds like you have done these tests and observed an increase in load but yield the same performance?
if that is the case then it sounds like we are getting different results?

Now I know you have several NA mods on your car perhaps you would see 120% load? maybe you uncapped yourself? did you have a flat line load?

for what its worth I have tuned an NA subaru, and his WOT logs and fuel maps go to 130% load on a stock tune....

Brettus

iTrader: (2)

Team is seeing the same thing you were - he just doesn't understand it yet.

FazdaRX_8

iTrader: (1)

I think so yes, but I want to be sure.

logalinipoo

Traction Light comes on with the Baro sensor removed also.

That makes me think it is being used for more then just Max calc load, but Adjusting the Max calc load scale should not affect the other duties it is used for.

wcs

iTrader: (2)

Well guys.
My season is done.

Went out yesterday to run some logs with different BARO settings and broken.

My exhaust manifold is completely cracked in half.

It was never really very pretty, so on the bright side I'm now totally committed to a rebuild.
(maybe even the motor as well even thou it's still running great)

FazdaRX_8

iTrader: (1)

sorry to hear that, maybe ducktap and crewing gum?

Brettus

iTrader: (2)

It could just be part of the fault code system - like when you unplug the MAF . Same sort of deal .

Brettus

iTrader: (2)

You guys that will live in places where you can't drive for half the year

wcs

iTrader: (2)

LoL
I need to move the Bahamas'

Brettus

iTrader: (2)

200x2x2= 800%

Think that should be high enough . If you get to 1600 hp you will be in trouble though !

slash128

I just went max to see if there would be any difference in logs. So far none

logalinipoo

Team, would you mind sharing your Calc load max table.

Brettus

iTrader: (2)

So we can all have a laugh ?

wcs

iTrader: (2)

LOL
I wish

wanna fly over and gimme a hand on the repair

logalinipoo

Ok I just did a few experiments.

Calc load 50% from 2500 to redline
I logged 48% max, then unpluged the bario and logged 53%.
It drove okay, I could flatline it at the max, then still accelerate moderiately.
Heavy acceleration to WOT would cause the WB02 to peg at 20, timing did not look bad. The injectors never went over 50% duty cucle.I think it was a fuel cut due to too much differance in the calculated load.
With just the MAF unpluged I would see 48% load at wot and it appered that it was based on throttle position.
With MAF and Bario unpluged I would see 53% load at WOT and again it appered to calc load by throttle position.

I did the same experiment with 75% Max calc load. The car seamed to run fine, but the but dyno felt some losses. With the bario it was a little low, without it was high. With MAF unpluged It seamed like load was calculated by throttle position.

Then the same experiment with 200% load.
My load was a little higher then I am used to seeing, but I think that's because I'm ported and have been limited, with the increase I am not limited.
Bario sensor unpluged the load was a little higher with it pluged in it was a little lower.

When I unpluged the MAF
I was able to get loads up to 203% at WOT.
As long as I kept the load below 100% it drove okay but very rich.
When I got my load over 125% it would bog bad.

With the bario and MAF unpluged It would barely run, but once I got it rolling I saw no differance.

slash128

^-What is your elevation and what is your baro table at? Can you post your logs?

logalinipoo

Elevation 721 Feet, Bario table stock. I am still working on downloading them. Any logs you would like in particular?

Local pressure showing 30.12" or 102KP(I think)

slash128

50% to redline, is that the calc load max table you are referring to or ? Those logs with and without baro plugged in please

logalinipoo

Yes calc load max table.

slash128

Also, what was your intake temp?

logalinipoo

Ok my data logs all have problems. Data is all over the place and the logs with the MAF unplugged did not record.

Crap I also have to install Winzip. So just change the name of this file to .csv and you can see what I'm dealing with.

I don't normally log intake temps, but I looked and they were 88. outside temp was 76 as per the car.

slash128

No worries. Even without the logs it sounds like you witnessed what we witnessed and that is true Calc load without being brought down by the Baro sensor.

logalinipoo

I can redo it, I just ahve to figure out what's up with my computer. I'm reinstalling ATR right now. My comp was just upgraded from XP to Windows 7.

And I would agree, but by maxing the tables it apperars that It could be a big problem with the MAF out.

slash128

Ya, setting the tables artificially low will reduce the maximum load that can be calculated, a ceiling if you will, but artificially increasing does not increase the load calculated, it simply raises the ceiling of the load that CAN be calculated. It doesn't make it calculate more load if the load isn't actually there.

slash128

So by removing your Baro sensor you effectively removed the limit imposed by your specific elevation. Which isn't necessarily a bad thing. If the max load that can be calculated is say 200 but your actual load is 220 then your timing is going to be further advanced than you are targeting. I think it is more applicable NA where we are relying on atmospheric pressure to push air in. Not so much FI where it is being forced in. My thoughts