PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

tire size question...is it wrong?

Thread Tools
 
Search this Thread
 
Old Jun 12, 2005 | 06:46 PM
  #1  
WS6FirebirdTA00's Avatar
Thread Starter
TECH Senior Member
20 Year Member
iTrader: (33)
 
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Default tire size question...is it wrong?

i dont have the number off hand but when i enter my tire size, 275/40/17 into the calculator it puts out a bigger number than the setting that is in my computer? what is the height of the tire does anyone know off hand? or can let me know. just the stock ws6 wheel and stock sized nittos, thanks. (tried to search but its still giving me troubles)
Reply
Old Jun 12, 2005 | 06:57 PM
  #2  
soundengineer's Avatar
8 Second Club
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (16)
 
Joined: Jul 2003
Posts: 4,651
Likes: 17
From: Chicago IL
Default

your new tire size should be 25.66
from the factory they did not change the computer to read differently for different tire sizes....
so IF you got 16" tires..it was correct...
If you got 17" tires...it needs to be 25.66
Reply
Old Jun 12, 2005 | 06:59 PM
  #3  
WS6FirebirdTA00's Avatar
Thread Starter
TECH Senior Member
20 Year Member
iTrader: (33)
 
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Default

Originally Posted by soundengineer
your new tire size should be 25.66
from the factory they did not change the computer to read differently for different tire sizes....
so IF you got 16" tires..it was correct...
If you got 17" tires...it needs to be 25.66
ok so it still has the setting for 16 inch tires for the trans ams and the ws6 has to change? hmmm how much would that throw the speed off by?
Reply
Old Jun 12, 2005 | 07:12 PM
  #4  
soundengineer's Avatar
8 Second Club
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (16)
 
Joined: Jul 2003
Posts: 4,651
Likes: 17
From: Chicago IL
Default

24.94 Stock 16" at 6000 RPM each gear M6
48.96mph
73.16mph
100.17mph
130.22mph
175.97mph
260.44mph

25.66 17" at 6000 RPM each gear M6
50.37mph
75.27mph
103.06mph
133.98mph
181.06mph
267.96mph
Reply
Old Jun 12, 2005 | 09:12 PM
  #5  
WS6FirebirdTA00's Avatar
Thread Starter
TECH Senior Member
20 Year Member
iTrader: (33)
 
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Default

ok thanks man
Reply




All times are GMT -5. The time now is 05:44 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE