Cartuning Performance 5-Speed Grand Prix 584 WHP Dyno

My buddy Jeff and his Grand Prix with a 5 speed manual swap. This is on stock heads, gaskets, head bolts and 19psi on pump gas/water meth. Crazy!

More Videos...

584whp turbo pontiac grand prix idle
.574/.566" lift 224/224 duration custom cam, i had a cracked valve guide when i took this video. full 3" stainless Exhaust with magnflow muffler, also muffled by the turbo the car is also 5-speed manual swapped, air ride, and runs 285/35/18 tires up front

8000 RPM 3800
Testing a new trans in the turbo GP GT. I went wide open throttle at 80mph and finished at 135mph and 8000 RPM.

Grand Prix dyno 475whp
With a blown turbo seals. More information can be found at:

Six speed swapped Pontiac Grand Prix GT
Just going for a drive. 98 Pontiac Grand Prix. GT F40 six speed transmission from a Saab 9-5 areo. mod list: Custom tune HV3 insert Ported lower intake AGX 4 way adjustable struts with SSC lowering springs ZZP 3in downpipe 28lb injectors MSD coils ported Exhaust manifolds taylor 8mm wires Cold air intake custom Exhaust race seat and harness gmpp rear sway bar with polly mounts upgraded rear end links and front end links front and rear Strut tower brace spec stage 3+ costume clutch I'm sure I'm missing a few things hear and there