got a 33gtr with exhaust, arc cooler, pods and a evc 4 just put in. and running just under 1 bar.
was having a few issues with the boost dropping off before but now the evc is installed the boost doesnt drop off. the car will be running sweet but than it will just feel all sluggish and not go like it usually does. notice a big power loss
i've searched and read something about rich and retard and wondering if this would apply to the gtr also. cant think of anything else, just thinking this might be my problem.
any help would be great, thanks