The current mods soon to be complete:
- HKS T04R modified by FasTrax with a T51 compressor wheel, different exhaust wheel, and machined housing
- Head: HKS 272 cams, Ferrea 2mm oversized valves, hi-rev springs, titanium keepers. Portwork, 3 angle valve job, HKS head gasket
- Engine: JE 0.020 over pistons w/ Swaynetek coating, carrillo rods, UPFD crank girdle, ARP hardware
Before the engine buildup on the stock bottom end and head only with 272 cams, it peaked at 651 rwhp, 650 ft-lbs. The spool up was 300 rwhp at 4500 rpm, ~500 rwhp at 4800 rpm, 600 rwhp at 5000 rpm, ~630 rwhp at 5500 rpm, peak hp hit at around 6700 rpm.
Check out
http://www.t04r.com/members/jimedwards.html for more details (including a pretty cool video walkaround the car while it idles with a little lope that you'll want to turn the volume up on)