Quote:
Originally Posted by BrandonMods
GM LUJ engine 1.4L electronic throttle control, sequential multi-port fuel injectors. 72.5 X 82.6mm bore X stroke. Stock GM engine. Turbo: apparently runs around 16 psi according to forum responses on cruze talk (I do not have a boost gauge yet). I could not find anything regarding the turbo specs anywhere, not even the impeller size. I can tell you it is pretty tiny though and produces 148 ft-lb at 1850 rpm.
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I would think a scan gauge should work for seeing knock?
The other hurdle will be if you lean it out what will the stock computer do? It might go into limp mode if you don't have a way to over ride it? So you might look into HP Tuners or one like it.