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Porsche 991 911 Turbo
Tuning the most famous of all the 911’s – The legendary turbo!
The Porsche 991 generation of the 911 first came into production in 2011 and till current. The Porsche 911 Turbo is well known to be an amazing car on the road and track, with the ability to change the power, suspension stiffness, and steering input this really does make it feel like you have numerous cars in the same shell.
With the 991 911 Turbo making 520-540ps dependant on if you have a 991.1 or 991.2 that is already a substantial amount of power… So lets see what else that 3.8 24v engine has to offer.
Starting with reading the Continental SDI9 ECU to get all the manufacturers calibrations, and data logging certain parameters whilst stock to see how the ECU calculates certain parameters. From here we started to make a few small adjustments to make sure everything would react how we wanted it to.
The slight difference with this 991 Porsche 911 Turbo would be the BMC Performance Filters and the Full IPE Exhaust System with 200cell sport cats.
After a couple of initial re-calibtraions of the engine software it soon became apparent that the IAT (Intake Air Temperatures) would become a problem and this meant if you wanted to push any more power then uprated intercoolers would be required.
With these cars having Torque vectoring also it means it is a must for a 4WD linked dyno to make sure the wheel speed is the same front to rear. If this isn’t the case the car notices and drops into a limp mode style map, this doesn’t bring engine lights on just restricted power.
With Stock runs underway we found that even stock the car must be struggling with heat! Making only 470BHP but an astonishing 799.2Nm of Torque which suggested it could make the low down power but struggled top end. With Intercoolers being a very expensive upgrade on these we kept with the