It is the same block but with lower compression, oil ports for the turbo and a oil squirter for each piston bottom. I personally can't tell you technically why the 7mgte has more torque , but 188 versus 240 is a big difference. The main thing with the gte is potential that a 7mge just will never reach. Installing a turbo on a 7mge has been cover before on here and concluded to be just not worth the hassle or money when a turbo motor already exists.
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