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TA45 Turbo
Here are a few pics of the turbo that was run on the 3-rotor in the past. It was a Turbonetics 60-1 with a 4" A/R 0.70 comp housing, with a P-Trim turbine in a 1.30 A/R OC housing.   It was way too small for the size of the motor, and would pull 20psi boost as low as 2500rpm which was good for around town, but it was also holding the engine back above 5500rpm.  Now a Garrett TA45 turbo with 76mm comp and 77mm turbine in a 1.22 housing is on the engine to add more top-end power.   The new turbo gets positive pressure from 1500rpm but full boost does not hit until 3500rpm.   Currently the wastegate, a Turbosmart 45mm item, is set to the standard 7psi spring pressure.  Boost will be turned up once the motor is run in.
 

New Turbo

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Old Turbo

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