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05-12-2012
I have a 1997 Pontiac Grand Prix GTP. I'm looking for best ways to add horsepower torque everything. Cheaper the better but would like to know all options. Ive heard bout changing pulleys on the supercharger and stuff but would like more info.
Car has CAI and Aftermarket Air Filter
05-13-2012
One word: cam
05-13-2012
Turbo is cheapest and easiest for biggest gains
05-13-2012
just read the link above, it tells you alot
05-13-2012
Yeah you want the most power per dollar go turbo. Otherwise headers pulley tune be about $400-$450.
Originally Posted by The Sunfire Guy
05-13-2012
more then that if he doesnt install the headers by himself
05-14-2012
most cost effective power adder: nitrous.
05-14-2012
Best thing you can SERIOUSLY do...
Take care of the weak spots...
The Lower Mounts, Exhaust, and the Transmission.
Flip the upper dog bone mounts for free, get solid rubber motor/transmission mounts, Headers..shift kit...pan drop...new filter/fluid; not a flush though.
Since you already have an intake setup...I'd do a tune-up if you haven't...plugs/wires/oil/coolant flush/180* T-stat/PCV/fuel filter...check axles/hubs/brakes...etc.
Then after all that...a PCM tune and a pulley drop...that should be good for a solid 40~ WHP over stock.
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