^^^^ Was that confirmed? Or do you mean, only with other mods? 1slow made good power with the cams, or so I thought, although that was only one variable in the whole equation.
OP, opening the VVEL head is not for the squeamish (Nissan officially regards them as "non-serviceable") and without tuning, expect problems, even on an install where all goes well.
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Enjoy it. Destroy it.
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