Actually...
The bottom line is: There's way too much ignorance in this thread, period. Fact is, that Porsche is NOT an 11 second car. I wont even guess what they actually run in the 1/4th because I honestly do not know. But what I do know that it's not 11 seconds. That GN (if truly 11 secs) will indeed stomp a mud hole the Porsche's ass in a sprint, but once the Buick runs out of gears, as it will, it's all over, obviously. We're talkin about a 6-speed *exotic* here.
I'm also well aware of a couple TR's of buddies of mine that DO have the power and torque curve to pull hard even through 4th gear (OD). I've not only seen it, I've ridden in one that did. It was a mid-10 second vehicle, traction -very- limited.. and it toasted overdrive rather quickly for a V6 that someone was earlier claiming that it was 'impossible'. All with 3.73 gears and a tranny tightening. We also have plenty of long-stretch back roads around here where people screw with their drag cars on, and I see it all the time. My father takes his 442 down the street all the time, and managed to hit about 130 mph. (Damn those Richmond 4.10's!)
Before I stray off, just thought I'd jump in and say this could surely be a legit story, aside from the fact his listed mods may not add up to it. But I, personally, know a couple TR's that would easily smoke any porsche or exotic all the way thrugh 4th gear. Then its time to suck it up and let the extra gears take their advantage.
PS: Go to BuickPower.com.. look under Buick Videos.. and look for the "Two GN's show a Viper how it's done". Rather funny if you ask me.