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Drifter

Drifter

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Who on here has experience in using Torque Pro to do data logging on your car? I need to know what the baromteric correction for altitude must be in the Boost PID. Mine is set to 0.0, but I think is incorrect.

Current barro pressure in JHB is 1013mB or 14.69 Psi.
 
No its not. Pressure in Joburg is around 860mb
 
Sinbad said:
No its not. Pressure in Joburg is around 860mb
Click to expand...

That sounds a bit high but I guess it depends on where in Johannesburg you're based.

Between 1st June 2013 and the 1st June 2014 the air pressure corrected to sea level at OR Tambo airport:
- Minimum recorded air pressure was 1009 millibars (hPa)
- Average air pressure was 1024 millibars
- The maximum recorded air pressure was 1038 millibars

So the uncorrected/actual values using standard atmosphere calculations are:
- Minimum 826 millibars
- Average 841 millibars
- Maximum 855 millibars

So the question to ask it what format does Torque Pro expect? Corrected or uncorrected pressures?
 
Boost Adjustment
From Torque OBD2 Wiki
The boost adjustment option in the vehicle profile can be used to correct for two things:

Atmospheric pressure adjustment - if you are significantly above sea level, and your vehicle uses a MAP sensor, then you may use this field to adjust your boost/vacuum readings to compensate for the reduced atmospheric pressure at higher altitides
Some vehicles (Mitsubishi Evo) may read 14.7psi even when the engine is off - this is due to the way the ECU is reporting data. You can use the field to adjust the pressure (put -14.7 in) so that it reads correctly for these vehicles
 
btw on torque I just logged absolute pressure, not boost.
 
Yep, I am doing the same, that is manifold pressure, I do need to log boost. I have a feeling I am losing boost in higher RPM with thi slarger I/C I fitted.
 
Gerhardva said:
Yep, I am doing the same, that is manifold pressure, I do need to log boost. I have a feeling I am losing boost in higher RPM with thi slarger I/C I fitted.
Click to expand...

IC won't affect boost unless it's seriously restrictive, which is unlikely considering it's larger.
Just log absolute pressure. The atmospheric pressure won't change while you're doing a logging run, you can disregard it.
 
I think the cooler is not flowing for some reason. Losing 0.3 bar at higher RPM's vs OEM cooler. BUT, the turbo is tiny, maybe cant cope with the larger volume and our thin air.
 
Gerhardva said:
I think the cooler is not flowing for some reason. Losing 0.3 bar at higher RPM's vs OEM cooler. BUT, the turbo is tiny, maybe cant cope with the larger volume and our thin air.
Click to expand...

Hmmm. Doubt it's the turbo else you'd have had the same issue with the OEM cooler. Maybe it is too restrictive...
 
Going to try and save up for a Garret core, or just import an Airtec cooler. This was a custom build bar and plate, so trial and error I guess. In the interim might just run Water Meth.
 
intercooler wont affect airflow hence boost.As per the word "intercooler" its is to cool the air ;) You mention u want to run water meth, so i you going to advance the ignition timming rather then up the boost to get performance ? Regarding the turbo just get an original garrett.Speak to turbodirect.Myself iam saving up for a G25-660.
 
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