GNX

Grabber427 · May 27th, 2007, 05:45 AM

Anybody ever take on a Buick GNX? Wondering if I have a snowballs chance in hell.

Drgnracin72 · May 27th, 2007, 06:11 AM

youll take a stock one but one thats pumped up, prolly not

kmjsmith · May 27th, 2007, 11:57 AM

Not a GNX yet..but I tried to take out a grand National and a viper the other night and got served BAD...more so by the grand national!! It just makes me want to put more on my car

Modern_Muscle · May 27th, 2007, 07:03 PM

it depends, stock, they arent crap. I have a friend with a BIG turbo in his, and once I get my upgrades on, and my slicks mounted, Ill let yall know how it goes.

SEANMD81 · May 28th, 2007, 04:48 AM

there was a gnx for sale here in MD at town and country motors, if anyone is from MD and wanting to test drive it to see how they run themselves,,LOL

acehogg69 · May 29th, 2007, 09:14 AM

Originally Posted by Modern_Muscle

it depends, stock, they arent crap. I have a friend with a BIG turbo in his, and once I get my upgrades on, and my slicks mounted, Ill let yall know how it goes.

What type and size slicks you running?

ChrisJ · May 29th, 2007, 09:15 AM

GNX's are nothing to laugh at...

In stock form they are LETHAL...In modded form they are even harder to handle...

G.T. Rags · May 29th, 2007, 11:35 PM

I believe in 1987 the gnx was able to out run the vette in the quarter mile, maybe 86.

cgstarry · May 29th, 2007, 11:39 PM

GNX = Grand National?

Modern_Muscle · May 30th, 2007, 12:49 AM

mickey e.t. 26x11.50

Darwin · May 30th, 2007, 01:01 AM

Originally Posted by cgstarry

GNX = Grand National?

http://www.musclecarclub.com/musclec...national.shtml

My brother and I have some fun with his Just the GN.

Engines: Grand National: 3.8L V6 Turbo 245 bhp @ 4400 rpm, 355 ft-lb @ 2000 rpm. GNX: 3.8L V6 Turbo 276 bhp @ 4400 rpm, 360 ft-lb @ 3000 rpm.
Performance: Grand National: 1/4 mile in 14.23 seconds @ 98 mph. GNX: 0-60 in 5.5 seconds, 1/4 mile in 13.43 seconds @ 103 mph.

SEANMD81 · May 30th, 2007, 04:24 AM

thats why GM stop making the Grand National,,, it beat the precious vette,,LOL

spkb25 · June 1st, 2007, 02:08 PM

the gnx was the fastest grand national they put out. really really hard to find one that is a legit gnx. i think they put the gnx out in 87 but i could be wrong. but 87 was the fastest year for the grand national as you would expect. i would love to eventually get one. i just like the look of em. theres an older guy that drives one around and it is mint. looks real good driving it too. now that i have my stang maybe i will see if he wants to play next time.

07stanggt · June 2nd, 2007, 10:28 AM

The GNX was the 1987 grand national. It is bad, your talking a 12 second car with a tune. But in my youth i smoked my neigbor in his, with my stock 91 5.0.

it has a fuel cut off at 120 though. you would blow by him after the 1/4 those cars are geared so low i think like a 4.55 or something.

He had a vanity plate 2tuf4u. Just in case he wised up and bought a stang and is lurking on this site.

Actually i didnt smoke him, but at 110 from a dig he was at my door. to me that was smoking him.

dont know what happened maybe his intercooler was hot or something.

Nothing like raw horespower.

And before anybody ask he wasnt toying with me. He told me when we pulled into our neighborhood he was taking his car in to get checked out tomorrow. I just grinned for a week.

TDog · June 2nd, 2007, 12:27 PM

Um.. how could you even come close to keeping up with a near 12 second car in a 91 5.0 stock ? You are sounding a little drunk

rwag · June 2nd, 2007, 01:35 PM

GNX had 3:42 gears. GN 's did shut down at 128 mph. These cars responded well to CAI and exhaust and with a few other mods they can be very fast.

spkb25 · June 2nd, 2007, 08:39 PM

dude the gnx was not the 87 grand national. the gnx was like a cobra to a mustang. it was a special edition.

spkb25 · June 2nd, 2007, 08:40 PM

But the big news for 1987 was the introduction of the limited edition GNX. Only available for 1987, the Buick GNX represents the height of Grand National performance. In a nod to the famous Buick GSXs of 1970-1972, the GNX logo featured a larger "X" than the other letters, just like the GSX logo. All GNXs began life as fully optioned Grand Nationals that immediately left the factory and were sent to ASC/McLaren Specialty Products in order to be extensively modified. The modifications included a more efficient Garrett air-to-air intercooler and a special pipe that connected the intercooler to the engine coated with CERMATEL (Ceramic/aluminum) for increased heat rejection and heat disipation. Front fender vents were installed to pull heat away from the engine while driving. The GNX also received a special Garrett "hybrid" T-s turbocharger that used a very lightweight ceramic impeller (as opposed to metal in standard Grand Nationals). The decreased weight allows the turbo charger to spin up much faster, thereby decreasing the turbo lag time inherent in turbo charged engines. Maximum boost was set at 15 psi and the turbo used an electric wastegate. The turbo also incorporated special low drag, dynamic turbine shaft seals, and a built in contamination trap. All of these modifications added up to 275 bhp and a whooping 360 lb-ft. To handle this extra power, the transmission was beefed up with firmer shifts and the rear axle received a longitudinal torque ladder bar with a panhard rod to help prevent wheel hop and torque twist. It also received a special rear axle housing cover made of aluminum (with GNX embossed on it) that serves as an additional strengthening element and point for the torque bar. For even more strengthening, the car body received special structural reinforcements in the form of "behind the back seat bracing" and special chassis (steel cross member between the chassis rails) bracing. The GNX was the only Regal to ever receive 16 inch wheels. The wheels were made of a lightweight alloy and the rear wheels were wider than the front. The GNX came with P245/50VR16 tires in front and P255/50VR16 tires in the rear. Special welded in fender flares were added to the wheel wells to make room for the larger wheels and tires. The standard transmission was a reprogrammed Turbo Hydra-matic 200-4R four speed hooked up to a custom torque converter. Inside, the dash had a special Steward Warner analog gauge package. All GNXs were black in color and the only exterior identification was small "GNX" badges placed on the front radiator grille and rear deck lid. Under the hood, a special turbocharger heat shield had "GNX" stamped on it, similar to the aluminum rear axle cover. All GNXs received a special numbered plaque mounted on the passenger side dash which identified the number of that particular car (1-547). Also, the Fisher body plate has "GNX" stamped on it. Special "GNX" decals were used on the intercooler and other locations and there were several hidden I.D. stampings to prevent fakes. But all of this came at a price. The cost of the GNX option was a whopping $10,995, which resulted in a final MSRP of $29,900. All out performance doesn't come cheap.

spkb25 · June 2nd, 2007, 08:45 PM

Production: Grand Nationals: 20,193 GNX: 547
Engines: Grand National: 3.8L V6 Turbo 245 bhp @ 4400 rpm, 355 ft-lb @ 2000 rpm. GNX: 3.8L V6 Turbo 276 bhp @ 4400 rpm, 360 ft-lb @ 3000 rpm.
Performance: Grand National: 1/4 mile in 14.23 seconds @ 98 mph. GNX: 0-60 in 5.5 seconds, 1/4 mile in 13.43 seconds @ 103 mph.

spkb25 · June 2nd, 2007, 08:47 PM

i ws looking to buy one so i had read up on them. sorry to have to do that to ya 07stanggt but it had to be done. those number above for production are for 87. heres a link http://www.musclecarclub.com/musclec...national.shtml

May 27th, 2007, 05:45 AM	#1
Grabber427 Regular 2007 Roush 427R Join Date: Jan 2007 Location: Vestal, New York Posts: 106 iTrader: 0 reviews	GNX Anybody ever take on a Buick GNX? Wondering if I have a snowballs chance in hell. __________________ 2007 Roush 427R #07-486 FRPP 3.73 Gears Roush short throw shifter Roush 73mm pulley and tune

May 27th, 2007, 06:11 AM	#2
Drgnracin72 I Post Entirely Way Too Much Join Date: Jan 2006 Location: somewhere in oklahoma Posts: 10,635 iTrader: 2 reviews	youll take a stock one but one thats pumped up, prolly not __________________ RIP ΜΟΛΩΝ ΛΑΒΕ Political Correctness is a doctrine, fostered by a delusional, illogical, liberal minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end. One Big Ass Mistake America SHEEPDOGS

May 27th, 2007, 07:03 PM	#4
Modern_Muscle Hardcore Enthusiast Join Date: Jan 2007 Location: Texas Posts: 1,347 iTrader: 1 reviews	it depends, stock, they arent crap. I have a friend with a BIG turbo in his, and once I get my upgrades on, and my slicks mounted, Ill let yall know how it goes. __________________ 1998 Trans Am WS6. (Anti Venom) Forged 347, stage 3 T56, and a 76mm Turbo... 659rwhp @ 13.5# ~725rwhp @ 15.5# Meth, C16, and 20psi coming soon 03 Z71 (H/C/I/E/T)...sold 2005 GT, Full Bolt-Ons...12's... GONE

May 29th, 2007, 09:15 AM	#7
ChrisJ RLY SRS Join Date: Aug 2005 Location: Ft. Meade, MD Posts: 38,220 Blog Entries: 4 iTrader: 10 reviews	GNX's are nothing to laugh at... In stock form they are LETHAL...In modded form they are even harder to handle... __________________ 2008 Acura TL Type-S - 2008 EB Ford Expedition - 2002 Boosted GT - Sold Facebook Google+

May 29th, 2007, 11:39 PM	#9
cgstarry Regular 2007 Mustang GT, 66 Coupe Join Date: May 2007 Location: Minneapolis, MN Posts: 125 iTrader: 0 reviews	GNX = Grand National? __________________ Vista Blue 2007 Mustang GT Premium Coupe 5 Speed FRPP GTA Axelbacks, AMSOIL XL 5W-20 Steeda CAI w/ High Flow Elbow, SCT xCalibrator 2

May 27th, 2007, 11:57 AM	#3
kmjsmith Regular Join Date: Apr 2007 Location: Canada Posts: 188 iTrader: 0 reviews	Not a GNX yet..but I tried to take out a grand National and a viper the other night and got served BAD...more so by the grand national!! It just makes me want to put more on my car

May 28th, 2007, 04:48 AM	#5
SEANMD81 Regular 2007 MUSTANG GT Join Date: May 2007 Location: Baltimore, MD. Posts: 125 iTrader: 0 reviews	there was a gnx for sale here in MD at town and country motors, if anyone is from MD and wanting to test drive it to see how they run themselves,,LOL

May 30th, 2007, 12:49 AM	#10
Modern_Muscle Hardcore Enthusiast Join Date: Jan 2007 Location: Texas Posts: 1,347 iTrader: 1 reviews	mickey e.t. 26x11.50 __________________ 1998 Trans Am WS6. (Anti Venom) Forged 347, stage 3 T56, and a 76mm Turbo... 659rwhp @ 13.5# ~725rwhp @ 15.5# Meth, C16, and 20psi coming soon 03 Z71 (H/C/I/E/T)...sold 2005 GT, Full Bolt-Ons...12's... GONE

May 30th, 2007, 04:24 AM	#12
SEANMD81 Regular 2007 MUSTANG GT Join Date: May 2007 Location: Baltimore, MD. Posts: 125 iTrader: 0 reviews	thats why GM stop making the Grand National,,, it beat the precious vette,,LOL

June 1st, 2007, 02:08 PM	#13
spkb25 Regular Join Date: Mar 2007 Location: hampton, va Posts: 101 iTrader: 0 reviews	the gnx was the fastest grand national they put out. really really hard to find one that is a legit gnx. i think they put the gnx out in 87 but i could be wrong. but 87 was the fastest year for the grand national as you would expect. i would love to eventually get one. i just like the look of em. theres an older guy that drives one around and it is mint. looks real good driving it too. now that i have my stang maybe i will see if he wants to play next time.

June 2nd, 2007, 10:28 AM	#14
07stanggt I Post Entirely Way Too Much 2007 GT Join Date: Mar 2007 Location: Ellicott City, MD Posts: 11,950 iTrader: 1 reviews	The GNX was the 1987 grand national. It is bad, your talking a 12 second car with a tune. But in my youth i smoked my neigbor in his, with my stock 91 5.0. it has a fuel cut off at 120 though. you would blow by him after the 1/4 those cars are geared so low i think like a 4.55 or something. He had a vanity plate 2tuf4u. Just in case he wised up and bought a stang and is lurking on this site. Actually i didnt smoke him, but at 110 from a dig he was at my door. to me that was smoking him. dont know what happened maybe his intercooler was hot or something. Nothing like raw horespower. And before anybody ask he wasnt toying with me. He told me when we pulled into our neighborhood he was taking his car in to get checked out tomorrow. I just grinned for a week.

June 2nd, 2007, 12:27 PM	#15
TDog Enthusiast Join Date: Jan 2007 Posts: 650 iTrader: 0 reviews	Um.. how could you even come close to keeping up with a near 12 second car in a 91 5.0 stock ? You are sounding a little drunk __________________ Tdog 2007 mustang GT 5speed, Black

June 2nd, 2007, 01:35 PM	#16
rwag Newbie Join Date: Dec 2006 Posts: 27 iTrader: 0 reviews	GNX had 3:42 gears. GN 's did shut down at 128 mph. These cars responded well to CAI and exhaust and with a few other mods they can be very fast.

June 2nd, 2007, 08:39 PM	#17
spkb25 Regular Join Date: Mar 2007 Location: hampton, va Posts: 101 iTrader: 0 reviews	dude the gnx was not the 87 grand national. the gnx was like a cobra to a mustang. it was a special edition.

June 2nd, 2007, 08:40 PM	#18
spkb25 Regular Join Date: Mar 2007 Location: hampton, va Posts: 101 iTrader: 0 reviews	But the big news for 1987 was the introduction of the limited edition GNX. Only available for 1987, the Buick GNX represents the height of Grand National performance. In a nod to the famous Buick GSXs of 1970-1972, the GNX logo featured a larger "X" than the other letters, just like the GSX logo. All GNXs began life as fully optioned Grand Nationals that immediately left the factory and were sent to ASC/McLaren Specialty Products in order to be extensively modified. The modifications included a more efficient Garrett air-to-air intercooler and a special pipe that connected the intercooler to the engine coated with CERMATEL (Ceramic/aluminum) for increased heat rejection and heat disipation. Front fender vents were installed to pull heat away from the engine while driving. The GNX also received a special Garrett "hybrid" T-s turbocharger that used a very lightweight ceramic impeller (as opposed to metal in standard Grand Nationals). The decreased weight allows the turbo charger to spin up much faster, thereby decreasing the turbo lag time inherent in turbo charged engines. Maximum boost was set at 15 psi and the turbo used an electric wastegate. The turbo also incorporated special low drag, dynamic turbine shaft seals, and a built in contamination trap. All of these modifications added up to 275 bhp and a whooping 360 lb-ft. To handle this extra power, the transmission was beefed up with firmer shifts and the rear axle received a longitudinal torque ladder bar with a panhard rod to help prevent wheel hop and torque twist. It also received a special rear axle housing cover made of aluminum (with GNX embossed on it) that serves as an additional strengthening element and point for the torque bar. For even more strengthening, the car body received special structural reinforcements in the form of "behind the back seat bracing" and special chassis (steel cross member between the chassis rails) bracing. The GNX was the only Regal to ever receive 16 inch wheels. The wheels were made of a lightweight alloy and the rear wheels were wider than the front. The GNX came with P245/50VR16 tires in front and P255/50VR16 tires in the rear. Special welded in fender flares were added to the wheel wells to make room for the larger wheels and tires. The standard transmission was a reprogrammed Turbo Hydra-matic 200-4R four speed hooked up to a custom torque converter. Inside, the dash had a special Steward Warner analog gauge package. All GNXs were black in color and the only exterior identification was small "GNX" badges placed on the front radiator grille and rear deck lid. Under the hood, a special turbocharger heat shield had "GNX" stamped on it, similar to the aluminum rear axle cover. All GNXs received a special numbered plaque mounted on the passenger side dash which identified the number of that particular car (1-547). Also, the Fisher body plate has "GNX" stamped on it. Special "GNX" decals were used on the intercooler and other locations and there were several hidden I.D. stampings to prevent fakes. But all of this came at a price. The cost of the GNX option was a whopping $10,995, which resulted in a final MSRP of $29,900. All out performance doesn't come cheap.

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June 2nd, 2007, 08:45 PM	#19
spkb25 Regular Join Date: Mar 2007 Location: hampton, va Posts: 101 iTrader: 0 reviews	Production: Grand Nationals: 20,193 GNX: 547 Engines: Grand National: 3.8L V6 Turbo 245 bhp @ 4400 rpm, 355 ft-lb @ 2000 rpm. GNX: 3.8L V6 Turbo 276 bhp @ 4400 rpm, 360 ft-lb @ 3000 rpm. Performance: Grand National: 1/4 mile in 14.23 seconds @ 98 mph. GNX: 0-60 in 5.5 seconds, 1/4 mile in 13.43 seconds @ 103 mph.

June 2nd, 2007, 08:47 PM	#20
spkb25 Regular Join Date: Mar 2007 Location: hampton, va Posts: 101 iTrader: 0 reviews	i ws looking to buy one so i had read up on them. sorry to have to do that to ya 07stanggt but it had to be done. those number above for production are for 87. heres a link http://www.musclecarclub.com/musclec...national.shtml

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