Gti-R motor all the way. I had a GTi-R motor with full 3inch exhaust, intake, cams, re-tuned ecu, FMIC, with a few more things I cant remember and ran 13.0 @ 115mph on street tires on 17psi. I ran this car for 4 years with this motor and never had a problem.
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1992 SE-R w/GTi-R swap *sold*
1996 Infiniti G20t *sold*
2003 Nissan 350Z w/TT kit *sold*
2008 Infiniti G35s 6spd *sold*
2011 Subaru STi *Daily Driver*