1998 Pontiac Grand Prix GTX 199 MPH on Dyno

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Uploaded by on Jul 21, 2008

Heavily modded '98 Grand Prix GTX on chassis dyno pegging the HUD at 199 mph.

http://www.grandprixbook.com

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Autos & Vehicles

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Uploader Comments (HaloScreamerLoverR95)

  • what tranny is stronger the 4T60-e HD or the 4T65-e HD?.

  • The 4T65-E is substantially stronger but is still not bulletproof in stock form. I blew up one without too much trouble. You can really prolong their lives by not hooking up slicks or drag radial. It's a lot easier on them if the tires are the weak point.

  • nos bottle was removed at the end of the video thats why it got up there that fast. i love gp's ALOT but i just lost respect for that. i like performance that has none of that nos. im sry

  • this was without. the nos bottle was empty from the run before, just didn't get around to taking it out. This was shot on video tape, then converted to DVD, so there was a minor glitch.

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All Comments (100)

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  • @spencer82rocks your dumb, you can see when it shifts, not stock.

  • Con las llantas arriba si se puede pero logra eso con el auto en carretera jaja

  • wut upgrades do u have?

  • @speedboat very good do u want a cookie the title even say on a dyno

  • Try to have video outside chasing corvette or gtr and then I start believing.....

  • U can't fooled me u hang the car with some stupid driver inside then hit the gas all the way.... Every single car can do what it says on speedometer..... Dumb ass.... Come on where not 2 years old here....

  • @HaloScreamerLoverR95 and i still bet this car will get atleast way past 150

  • i like how they programmed it to flash when you reach 199 mph.

    just in case you didn't realise you were going that fast.

  • Jealous Face (-.-)

  • I actually have done this on the road. But it takes a bit of tweaking. First off, my transmission has 3.69 FDR gears, and a 38 tooth reluctor wheel, and at the time I had a 2500 stall torque converter. All of these things with a stock PCM cause the speedometer to read 26% too high. For instance, when the HUD says 100, you're actually doing approximately 80. It's possible to display 199, I've done it on the road, but it's also fake.

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