Quote:
Originally Posted by soutthpaw
Ok I found a calculator for Barometric pressure online and it says I am at 11.77psi at 6000 ft. being that most of my driving is at 5000-8000 feet how do i get the turbo to add that extra 3lbs of boost.You're not going to get it with a stock turbocharger.
what sort of change should I make to these settings
low boost fuel (altitude)You can up this one, but be prepared for more black smoke before the turbocharger has a chance to "light".
Injection timing (altitude)This table will USUALLY be filled with higher values due to lower atmospheric pressure. Having less air means that more advance can be used to help in the combustion process.
I would think with less air pressure the boost is going to come on later so less fuel (lower boost fuel settings) should go into the engine and go in earlier (more advanced timing) as less oxygen to support combustion
Torque Table Altitude & Torque Friction Table Altitude: do these need to be changed or are they already compensated from the factory... and what purpose do these maps serve... (i don't see how friction loss changes at altitude) same goes for the sea level map... do other parameters use the values in this map to calculate other factors like mass fuel desired etc? I've never seen one touched.
There is also the Barometric Multiplier and Torque Multiplier vs Baro not sure what these do either
I already set the altitude offset for the WOT shifting higher by 200rpm as I lowered the WOT shift point anyway
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Bill will have to answer the rest. I don't know.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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