I will be sure to show my results here on the hpt forum so anyone may review the effects of pushing a factory turbo past 24 psi. I plan on bumping it to a boost line as flat as possible netting a 28-30psi level. Check Latest Price Horsepower gains: 70 hp Torque gains: 50 ft-lbs CARB approval: yes On just 7 lbs of boost, the turbo kit provides gains of around 70 hp and 50 ft-lbs of torque on 91 octane gas. I will have plenty of road to play with im sure so as part of my trip i will be increasing boost levels above 24 psi and making power runs to record and map the effects of a factory turbo during "choke" conditions. the volumetric efficiency is a measure of the efficiency of the engine moving the intake charge into the chamber and the exhaust. Great when planning a new turbo kit or intercooler to see if it can achieve your goals. When i get officially released from duty sometime before the end of this year i will be driving back to california from florida. This calculates the boost (psi) to achieve a nominated horsepower target based on your engines specifications and maximum rpm. Worlds Fastest Production Diesel Pickup 'Casper' - 174.586 mph Bonneville 2008. 0 PSI would be a perfect vacuum, 14.7PSI standard air at sea level, 14PSI air pressure in your intake (filter has resistance), and about 44 at 30LB gauge boost. 3rd gear run corrections are the best as you will end up tuning out boost irregularities using trq management by gear later. Yes, the computer talks in absolute pressure. try setting your wot dals to 255 and using the wgdc to correct actual boost level using boost sensor lo res - baro sensor. one min you will be making smooth power then all the sudden wham! high boost. but on a factory turbo most cars get real snappy when dals go over 255. I personally never looked at boost desired so i cant tell you.
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