Notices
964 Forum 1989-1994
Sponsored by:
Sponsored by:

Speedometer - correction factor

Thread Tools
 
Search this Thread
 
Old Jan 7, 2009 | 02:25 PM
  #16  
Ritter v4.0's Avatar
Ritter v4.0
Thread Starter
Rennlist Member
20 Year Member
 
Joined: Feb 2006
Posts: 4,381
Likes: 117
From: Nassau, Abu Dhabi and Duluth (Ga)
Default

Regardless, at 160 (+/- 4%) its astounding how good the car feels at speed. Not sure about a pure stocker but being lowered with stiff suspension, good tires (MPSC 2s) and a good alignment I have encountered no handling issues. And I really hope I don't.
Reply
Old Jan 24, 2009 | 05:56 PM
  #17  
Ritter v4.0's Avatar
Ritter v4.0
Thread Starter
Rennlist Member
20 Year Member
 
Joined: Feb 2006
Posts: 4,381
Likes: 117
From: Nassau, Abu Dhabi and Duluth (Ga)
Default

I tried with a GPS today. Speedo said +/- 140 mph. GPS only said 124.
That's knots =142.6 mph.

I'll post a video tomorrow.
Reply
Old Jan 25, 2009 | 02:34 PM
  #18  
Ritter v4.0's Avatar
Ritter v4.0
Thread Starter
Rennlist Member
20 Year Member
 
Joined: Feb 2006
Posts: 4,381
Likes: 117
From: Nassau, Abu Dhabi and Duluth (Ga)
Default

Here it is. http://vimeo.com/2955415

About 1:53 I lift, showing about 150mph. GPS said 129 knots = 148.4 mph
Reply




All times are GMT -3. The time now is 07:26 AM.

story-0
Porsche 911 GT3 Artisan Edition Pays Homage to Japanese Culture

Slideshow: Porsche has created a Japan-only 911 GT3 Artisan Edition that blends track-ready hardware with design cues inspired by traditional Japanese craftsmanship.

By Verdad Gallardo | 2026-04-28 19:37:40


VIEW MORE
story-1
Porsche Reveals Coupe Variant of the Electric Cayenne With a Fresh Look

Slideshow: Porsche's latest electric Cayenne Coupe blends dramatic styling with supercar acceleration, turning the brand's midsize SUV into a 1,139-horsepower flagship.

By Verdad Gallardo | 2026-04-27 19:39:30


VIEW MORE
story-2
10 Porsche Colors That Have More Personality Than Most People

Slideshow: Porsche's wildest paint colors aren't just shades-they're full-blown personalities on four wheels.

By Verdad Gallardo | 2026-04-27 19:38:13


VIEW MORE
story-3
Guntherwerks' Final Speedster Creation Is the Ultimate Porsche Restomod

Slideshow: The last of the Speedsters doesn't just close a chapter, it makes quite the bold, air-cooled statement.

By Verdad Gallardo | 2026-04-22 17:55:04


VIEW MORE
story-4
10 Reasons I Hate Going to the Porsche Dealership (& the 1 Reason I Stay)

Slideshow: Going to a Porsche dealership may not be the dream experience you expect it to be and these are the reasons why.

By Joe Kucinski | 2026-04-21 13:54:19


VIEW MORE
story-5
Porsche Shakes Up The Nürburgring Lap Record Table Once Again

Slideshow: Porsche just proved-again-that precision engineering can outrun brute force at the Nürburgring.

By Verdad Gallardo | 2026-04-18 20:27:02


VIEW MORE
story-6
6 Ways the Porsche 911 GT3 S/C Redefines Performance

Slideshow: Six reasons why you will love the Porsche 911 GT3 S/C and 1 reason you will hate it.

By Joe Kucinski | 2026-04-14 10:21:39


VIEW MORE
story-7
10 Wildest Homologation Specials Porsche Ever Sold

Slideshow: Some of the most desirable Porsche models are those that were sold to the public solely for homologation purposes.

By Verdad Gallardo | 2026-04-08 09:54:26


VIEW MORE
story-8
Super Rare RUF BTR III Comes Out of Hibernation, Looking For a New Home

Slideshow: The lone BTR III-spec Targa features rare RUF engineering with a 430-hp turbo flat-six and fewer than 30 miles since its rebuild.

By Verdad Gallardo | 2026-04-06 20:03:25


VIEW MORE
story-9
10 Porsche Opinions That Can Start a Fight

Slideshow: If you want to start a debate with a Porsche friend, these 10 opinions are a great way to get started.

By Joe Kucinski | 2026-04-02 16:53:02


VIEW MORE