Quote:
Originally Posted by Croustibat
I was talking about the stock SR20 and CA18 FPR which suddenly go bad when crossing borders according to this forum.
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I literally just tried to tune an S13 sr20det, and the OEM regulator gave up exactly around 330rwhp. The brand new Tomei 740cc injectors were open 95% duty cycle and it barely supported 330rwhp, air fuel was dropping to 15:1 by 7,200 rpm. Must be the air, yeah thats it, USA air causes it.