Got something to add?  Let me know.  steve*b
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Newest Addition:  NRating

NASCAR 2003 Resources and Utilities
The Pits and  Blackhole
 two good sites with tons of track editing tools and tutorials
NCRacer's
another great links site
If its out there, he's got a link to it. Leagues,tracks, track addons, track utils, car sites, util links,painting and editing, tachs, grilles, gauges, templates, decals....... you get the idea.  
1201 patch and patch fix
Sierra ftp - C3's Sim Garage -- HSW -- Raceservers -- twister -- 
NR2k2 patches
Sierra ftp -- shaggy
Apple MAC stuff
RLRL
N2k3 vs Vista
OLR tutorial
No CDs
n2k3 multiplayer (this requires 2 exe's and a batch file to run) - C3s - shaggy - snr2  
\ offline only @ GCW  HSW - twister     -Moondog-
gtp1.1 nocd  badongo
Raceline Central lots of general and specific tools and utilities - all N2k3 stuff sorted onto one page
hobo End it all - Ventrillo,
C3's Sim Garage
more stuff here than I can list - utils such as NR Stretch, NR Tweak, cam hack, racelist, teamspeak sandbox etc.  Also check out other menus for things like tracks, mods, 1201 patch, no cd, etc
Entropy Storm Racing Downloadable season schedules including Sprint/Nextel/Winston Cup, Busch Grand National, Craftsman Truck Series, and more
D3PlayerPicker
util to swap tracks, sounds, carsets etc for various mods, etc.
defbuilder
tool to pack your new track from sandbox
DeMONS
server software
End it all
Original version:  CCS   also at  nnracing (search File types for Utilities) twister - cupcars -  Bumpdraftin --
Version 2:    PCMedix  --  PC Magazine (must subscribe now)--twister -woodruff  = cupcarshobo
Graphics Tweak

Texture set Size Calculator
(this will do the math for you)
adjustments to make the gfx look good for various gfx cards --  One very common configuration listed in this guide (and all the other copies on the net) is WRONG; it has one too many numbers in it. It says a 128 meg card running 16-bit at 1280x960= 1246387328.  It should be 124387328  (no 6).

Or do the math yourself for your card:  ( Mb of video ram) x (1048576) - ( 4 x Screen Width) x ( Screen Height) x (BPP) Bits Per Pixel, use (2) for 16bit or (4) for 32bit color.
Lap Speed Converter
twister  -- zone15  - shaggy -
Task Power
another program like End it all....... but even more powerful
camera editor
easy util to adjust cams
save game editor
allows you to move the field around after qualifying
Car Physics Converter
 Converts cup to bgn or cts or pta, or any ofthe others to cup, etc.
F1RST
online race finding utility -- not FIRST/iRacing
Momo setup guide
this is the one done by Chad Sparks...... I don't agree with any of the settings but its a good start.
NRatings
a tool to adjust car ratings to real seasons
Racelist
monitor sierra.com races in windows; join arace bydouble clicking
The Pit Wall
site with several utilities - chassis changers  NRCompanion etc
Rathbone's Pt. Calculator
newest versions - for 2002 and 2003
ReplayAnalyzer
a nifty tool to examine your line andfind some speed
Setup Guide
I live by the Pits QuickFix Guide but this highly detailed instructional tells you how and why as well.
Superspeedway.net
very comprehensive gfx updates, AI fixes andimprovements for default tracks
Winmip
absolutely the best, most versatile tool for extracting dats, working with files etc  backup location for d/l