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Old 06-18-2012, 10:56 AM   #71
Carbon Steel
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Quote:
Originally Posted by DaveSTR View Post
Come drive mine on the Autobahn and see for yourself. I did this for an entire weekend up and back to Wolfsburg. Sorry to disappoint. Like it matters anyway. If you tune it the governor is off anyway.

Post the data to support your claim. I have looked tonight online and its not readily available. I found the Euro data quite easily. My car is exactly as zakmak posted. I had my foot to the floor 195/197kmph. Not 1mph/km more would it do lol!

That would be about 118 to 120 mph, which is probably pretty accurate.
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Old 06-18-2012, 11:21 AM   #72
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Originally Posted by XZT123 View Post
This is completely the opposite guys. Turbo charged cars handle elevation better than NA cars. It's compressing the air to a set level. It may hurt spooling time and will effect it some, but not that bad.

From wikipedia " General Electric engineer Sanford Alexander Moss attached a turbo to a V12 Liberty aircraft engine. The engine was tested at Pikes Peak in Colorado at 14,000 ft (4,300 m) to demonstrate that it could eliminate the power loss usually experienced in internal combustion engines as a result of reduced air pressure and density at high altitude"
While this is definitely accurate, it is only true while the turbo still has the capability to compress the air. Going to high elevation changes where you land on the compressor map, and in this specific example the turbo was probably sized specifically for elevation compensation.

With a stock tune, the IHI turbo operates with sufficient margin from surge and choke that the ECU can probably offer similar manifold pressure and airflow regardless of elevation.

Since a stage 1/2 tune runs pretty close to the surge and choke limits of the IHI turbo at sea level, increasing elevation only pushes the operating point closer to those limits, so a Stage 1 tuned car may lose a non-trivial amount of power as the ECU keeps the turbo away from the surge/choke limits. However, I do agree that it would still make more power than a 2.0 N/A car at elevation.
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Old 07-02-2012, 10:15 PM   #73
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Originally Posted by zakmac View Post
For American cars are governed our at 121mph
I hit 121 twice on a recent road trip - both times it didn't feel like it had much more to give me (stock) so didn't see any sense pushing it more...

Lucky for me I got stopped/ticket for 92, not 121!
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Old 07-02-2012, 10:25 PM   #74
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"With the standard six-speed manual transmission, the U.S.-spec 2010 GTI can go from 0 to 60 mph (96km/h) in 6.8 seconds and on to an electronically limited 130mph (209km/h) top speed while delivering an EPA-estimated 31mpg on the highway, and 21mpg in city driving."
I don't know but I'm fairly certain I won't be getting 31mpg at 130mph on the highway, or even 21mpg at 209kph in the city.
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Old 07-02-2012, 11:23 PM   #75
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79 for me, 80 or 20 over is deemed reckless driving. So for the rest of you, have fun, but don't complain about tickets or how much you pay for insurance.
The speed limit in Arizona is 75. Take a trip there sometime and have some real fun!
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Old 07-02-2012, 11:51 PM   #76
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Hit the limiter at 133 (speedi/mfd). Stock 2012 6mt, dead level road.

Sadly, my '99 200k mi B5 Passat 1.8T WAGON did the same and reached it faster (video proof if anyone is interested)! In fact, earlier in the car's life I took it to 139 by tailing an evo. That car was a funnn sleeper.. went to car meets and consistently beat ricers with $1200 under the hood simply because that turbo took it to plateau quickly and I was comfortable taking it so high. :woot:

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Old 07-07-2012, 10:36 AM   #77
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No one has really addressed the top speed yet. Who's a mathematician here? I'd like to know the theoretical top speed, meaning 6th gear at redline. Or a true drag limited run. I've had mine up to 145mph at Stage 1 and it maybe had a little left in her. I recently went Stage 2 (Carbonio 1+2, 42DD downpipe, Stage 2 flash) and notice a pretty significant difference so I'm thinking I could probably break 150mph.
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Old 07-08-2012, 12:05 AM   #78
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did 261km/h = 161 mph when was stock

now with stage 2 can go higher but dont want to take the risk
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Old 07-08-2012, 12:07 AM   #79
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Originally Posted by black power View Post
did 261km/h = 161 mph when was stock

now with stage 2 can go higher but dont want to take the risk
Really? I was under the impression the car was electronically limited to roughly 130 mph on a stock vehicle.

I call bs.


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Old 07-08-2012, 12:49 AM   #80
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Well i found this video of a stage 3+ gti hitting about 160 and it was still climbing.

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Old 07-08-2012, 12:58 AM   #81
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Quote:
Originally Posted by Squashdaddy View Post
No one has really addressed the top speed yet. Who's a mathematician here? I'd like to know the theoretical top speed, meaning 6th gear at redline. Or a true drag limited run. I've had mine up to 145mph at Stage 1 and it maybe had a little left in her. I recently went Stage 2 (Carbonio 1+2, 42DD downpipe, Stage 2 flash) and notice a pretty significant difference so I'm thinking I could probably break 150mph.
What you're looking for may be this... post #25.

Quote:
Originally Posted by techbiker View Post
On 93 octane I've gotten up to 125-130, but it was gaining speed REALLY slowly above 120, so I'd venture to say without considering the govenor you could hit only about 135ish with stock power.

Granted, I was going slightly uphill.



My guess is right around 170mph. In 6th gear you seem to gain just under 25mph for every increase of 1,000rpm

Our rev limit (6,800rpm) * (25mph/1,000rpm) = 170 mph
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Old 07-08-2012, 02:29 AM   #82
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Really? I was under the impression the car was electronically limited to roughly 130 mph on a stock vehicle.

I call bs.


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US cars are limited to 130. The rest of the world is trusted enough (or is trained well enough) to not need speed governors.

OTOH, I always thought the non-governed stock top speed was about 145-150.
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Old 07-08-2012, 12:03 PM   #83
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did 261km/h = 161 mph when was stock

now with stage 2 can go higher but dont want to take the risk
Absolute nonsense.
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Old 07-09-2012, 04:03 AM   #84
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i hit 127 with downpipe and intake at the time.. once i got my tune for stage 2 max i could go was 145.. with 91 gas.
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