| mechanism and different algorithms for control. Some use stepper motors and some use solenoids to regulate the air to the wastegate actuator. Sure, at the same boost level, the power output is going to be the same. However, each boost controller responds quite differently which affects spool-up. Some also have trouble regulating it well enough that you might get spikes. Some hold boost steadier than others. It's not your peak power, but it's really the area under both the torque and power curve that will tell you how well different boost controllers work. IMHO, I think the Blitz SBC id III is one of the best out there. Here is some more info from an older article. [ http://www.sportcompactcarweb.com/tech/0207scc_blitz_sbc_i_d_boost_controller/index.html ] The other thing I have found is most electronic boost controllers "automatic" function do not work well with out twin turbo setup. Manual mode works very well; Here you set the gain and the duty cycle to achieve your target boost level. Duty cycle adjusts your boost level, gain adjusts your response. Be careful with the gain because if you increase it too much, it might spike. The trick I found that helps is first setting your boost level in a higher gear (i.e. 3rd or 4th) by adjusting the duty cycle. After you get the boost level you want, go into a lower gear (2nd) and adjust the gain as high as you can without getting overboost. Hope this helps.
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