What does EFR mean Turbo?
What does EFR mean Turbo?
EFR (Engineered For Racing) and AirWerks Turbochargers The official turbocharger of the NTT IndyCar Series, BorgWarner’s EFR turbochargers offer an unprecedented combination of advanced technologies.
How are turbo sizes measured?
The smaller end of the wheels are measured. Its called the inducer on the compressor wheel and exducer on the turbine. Usually diameters are given in mm, but on the larger turbos its common to hear them in inches, here’s a couple examples of compressor sizes: 66mm = 2.6 inches, 71mm = 3.0 inches.
How do I choose the right size Turbo?
Most of the time, the size of the turbine depends on its wheel’s exducer diameter, or the part of the wheel air passes over last. A larger bore in the housing will typically yield more power. Sort of. The trick is keeping the turbine wheel’s diameter within 15 percent of the compressor wheel’s, give or take.
How big is a S475 turbo?
See all 19 photos The S475 was equipped with an 83mm turbine wheel and 1.0 AR turbine housing. See all 19 photos Run on the dyno with the Borg S475, the turbo 6.0L produced 878 hp and 804 lb-ft of torque at a peak boost pressure of 11.3 psi.
What size is a S400 turbo?
High-flow S400 model, with compressor flow over 105 lb/min. Wheel Dimensions: Compressor: 74.7 mm inducer, 100.8mm exducer, with exclusive Extended Tip Technology. Turbine: 83mm inducer, 74mm exducer.
What does T3 and T4 turbo stand for?
You have probably heard people talking about T3 and T4 turbos in their car. The “T3” number is a general CFM classification. T4 turbos are usually for larger motors and use a different exhaust flange. T4’s can deliver enough air for applications in the 400 to 800HP range.
What is the frame size of a turbo?
25 refers to the “frame size” of the turbo, based on the turbine wheel inducer (the inducer being the top of the blade). 60 refers to the compressor exducer size, in millimeters, of the compressor wheel. So in this example, the 60 means the turbo has a 60mm compressor wheel exducer diameter.
What is an EFR turbocharger?
The EFR product line is a wide range of performance turbochargers from BorgWarner. EFR contains the highest level of technology currently available to aftermarket customers. Click on a model below to see each turbocharger’s outline dimensions and its corresponding compressor map. Download an overview of ancillary and support parts below.
What is the EFR product line?
The EFR product line is a wide range of performance turbochargers from BorgWarner. EFR contains the highest level of technology currently available to aftermarket customers. Click on a model below to see each turbocharger’s outline dimensions and its corresponding compressor map. 225 – 550 HP
What does EFR stand for?
EFR (Engineered For Racing) and AirWerks Turbochargers The official turbocharger of the NTT IndyCar Series, BorgWarner’s EFR turbochargers offer an unprecedented combination of advanced technologies.
