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Originally Posted by YELLOW_MR2
Another question, Whats the most psi I can push my 5sfte with the btm and the safc II? Also when I tune it where do I set the new red line at?? Like where do I set the new RPM's. It stock revs to 6k 2 ( I think haven't seen my dash in a long time) and I'm sure now boosted, it should rev higher.
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It really depends on which turbo you are using and what other mods you have. A ct-26 will get you about 180rwhp at 10psi but a t3/t04 at 8psi may put you well past that. As long as you can continue to add enough fuel for your power you are good up to the point where the compression of the engine and type of fuel you use won't let you go higher. The BTM is not really a good solution for timing either when you move away from a low boost setup. It just doesn't allow you much control and it will hurt you some places while helping you others.
You need a stand alone ECU or overclock to the stock one to raise the fuel cut. If you are still on stock rod bolts then I wouldn't go past the stock 6300rpms unless you are willing to chance the longevity of the motor. Anyway unless you have cams, even with a big turbo you won't be getting much power above 6500rpms.