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Re: KL-ZE Building
^^^Port and polish will not get you much of a gain, especially if the motor is going to be boosted. The amount of work required is not worth the effort, again, especially since the motor is to be boosted.
As far as the forged crank, all Mazda K series crankshafts are forged. The KL crank has been used in a twin turbo build which ended up making 800+ horsepower.
Also, pitch the Extremethings and get MegaSquirt. This will allow you to tune the car yourself to run as much boost as you want since your built motor will be able to handle it. The extremethings ecu won't let you run more than about 4 psi successfully.
Interprep or Colt for cams.
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