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I got the "correct" exhaust manifolds, they need a little porting. Yep, like what cylinder heads get, and for the same reason, unrestricting the airflow.
I ordered a set of new injectors, 50 lb/hr, should support 581 HP at 80% duty cycle.
I guess I'll run the 4L60E with the 2.73:1 axle gears for a MPG number, hopefully I won't kill the 60E with turbo boosted torque before I get a good number.
Oh, I'm considering as much as a 285/45R19 back there.
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