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Old 01-17-2008, 05:37 PM
 
Location: Earth
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Anyone here ever owned one? Or driven one?

I'm talking the Grand Nationals, The T types, the GNX.
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Old 01-18-2008, 04:27 AM
 
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I drove a neighbor's '86 GN back in '87. It was very quick right out of the box. Routinely ran in the 13s as I recall.

That car (as were the 5 litre Mustangs and some GM F bodies) was a ray of performance sunshine during those dark automotive years.

Are you thinking of buying one?
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Old 01-18-2008, 09:34 AM
 
Location: Earth
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No, I actually own one, it's the little brother to the GN (Turbo T) and just wanted to see if anyone else has one or has had one.

I like mine and wouldn't mind having another. As I recall those cars were the american dominance in the 80's....not even the Corvettes could touch them.

Of course neither could the 5.0 Mustang or the Z28 Camaro.
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Old 01-18-2008, 11:39 AM
 
Location: Chicago
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I always wondered why GM didn't put that engine in more cars. I once considered getting an '89 turbo Trans Am, but it was a little out of my price range at the time. And they're only getting more so as time goes on, unfortunately.
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Old 01-18-2008, 12:09 PM
 
Location: appleton, wi
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a friend of a friend has a 89 turbo t/a. i was at the drap strip with him over the summer. minimal mods and he was running IIRC low-mid 12's at about 116mph. we actually replaced the original spark plugs on it between runs that day.

why didn't they use that engine more? i suppose everyone wanted the v8. never mind which is better, this is america! which one is BIGGER?!?!?
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Old 01-18-2008, 12:42 PM
 
Location: Phoenix metro
20,004 posts, read 77,355,011 times
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Quote:
Originally Posted by Drover View Post
I always wondered why GM didn't put that engine in more cars. I once considered getting an '89 turbo Trans Am, but it was a little out of my price range at the time. And they're only getting more so as time goes on, unfortunately.
Ive driven 2 turbo Trans Am's, they never felt as fast as a GN or Cyclone. Anyone else notice this? Were they detuned or something?
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Old 01-18-2008, 01:46 PM
 
Location: New England
8,155 posts, read 20,999,179 times
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Quote:
Originally Posted by Steve-o View Post
Ive driven 2 turbo Trans Am's, they never felt as fast as a GN or Cyclone. Anyone else notice this? Were they detuned or something?
The turbo TA's where indeed faster than the standard GN/T-Type. Less weight and an under-rated hp figure. More aero too.
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Old 01-18-2008, 03:31 PM
 
Location: Chicago
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Quote:
Originally Posted by Steve-o View Post
Ive driven 2 turbo Trans Am's, they never felt as fast as a GN or Cyclone. Anyone else notice this? Were they detuned or something?
Definitely not detuned. In fact, the "official" claimed horsepower probably understated the actual horsepower by about 50. It certainly should feel faster than a GN; maybe not so with a Syclone though since those were AWD and hooked up instantly. Plus the Syclone had a larger engine (4.3 turbo vs. 3.8 turbo) so it probably had more torque off the line. There is also a lot of speculation that the Syclone's "official" HP rating (280) is also notably understated.

Last edited by Drover; 01-18-2008 at 03:40 PM..
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Old 01-18-2008, 04:06 PM
 
Location: Phoenix metro
20,004 posts, read 77,355,011 times
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Quote:
Originally Posted by Drover View Post
Definitely not detuned. In fact, the "official" claimed horsepower probably understated the actual horsepower by about 50. It certainly should feel faster than a GN; maybe not so with a Syclone though since those were AWD and hooked up instantly. Plus the Syclone had a larger engine (4.3 turbo vs. 3.8 turbo) so it probably had more torque off the line. There is also a lot of speculation that the Syclone's "official" HP rating (280) is also notably understated.
Id agree that the Syclone was underrated, felt more powerful, more like 350 if you ask me. Then there is the AWD and engine difference factors too.

Oh, one more note, the GN I drove felt quite a bit quicker than the T/A. Of course it was a butt-dyno, but that was just my impression. In any case, the GN/Syclone/Typhoon models were great. I wish GM would utilize more turbo V6s, those were fun engines.
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Old 01-18-2008, 04:21 PM
 
Location: Chicago
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I dunno, they've got turbo 4's putting out 260HP and NA 6's putting out 300+ horsepower these days, and then good ol' fashioned V8s (both DOHC and pushrod) for taking it to the next step... a turbo six is an awfully small niche in that lineup.
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