| I'm running almost identical width/offset... 255/40/18 and 285/30/18...  (Please ignore the VG30DETT sitting in the engine bay... it's not there now...hah)
 
  
 
Z's: 1990 TTZ   (RB26DETT Swap Underway)            505 RWHP/483 FT/lb @18psi @ 380'  ALT Oct. 2008            457 RWHP/441 FT/lb @18psi @ 5800' ALT Nov. 2007            436 RWHP/433 FT/lb @17psi @ 5300' ALT June 2006 Previous Z's: 1991 TTZ 368 RWHP/404 FT/lb @17psi  1994 TTZ 262 RWHP/271 FT/lb @11psi  1990 N/A 238 RWHP/226 FT/lb w/50 shot Nitrous  1990 TTZ (from the THIEF Arley Leghorn in Mt. View, CA)  2003 350z Sunset Lemans Touring Edition  2003 G35 Coupe, procharged.
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