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Ok heres the situation. I have an 03 Zx3 and I am going to get the Roush turbo kit. I have some stuff on the car right now but I am only going to be keeping the 70mm tb the adjustable cam gears and the underdrive pulley. What I am wanting to know is what would be the most Hp we can get out of the car with the turbo, a good tune, and adjusting the cam gears. If you have any ideas or know let me know. I am wanting to do this on all stock internals for now. Thanks for your time and help
 

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Depending on how safe you want to go a ZX3 can take around 10-12psi safely... a rough estimate is 1psi is about 10whp.
 
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