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!

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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

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

2005 grand prix GXP turbo
My 2005 grand prix Gxp with car tuning turno kit

2000 Trans Am vs 2000 Grand Prix GTP
Running a 15.0