I am also considering wider tires and bigger wheels. I have done a lot of research on what actual sizes (i.e. wheel/tire combo) will closely match the stock wheel/tire combo on my LE (265/70/R18).
305/55/R20 with Nitto Terragrappler will be great and is faster than stock by about 3mph - Current stock speedometer will read higher. - It will be about 0.6 inches taller than stock
305/45/R22 - will be about 1mph faster than stock and 0.2 inches taller
285/65/R18 with BFG AT will be about 0.07 mph slower and just about the same height
325/65/R18 is prety good as well - about 7mph faster and 2inches taller (might need 2.5" lifts on a RWD)
Check out
Requests for Pics..Here they are
There are several tire size calculators out there and also wheel matching
Check out the sites below
Cheers
http://www.bigwheels.net/index.jsp
http://pw1.netcom.com/~sgalaba/tiresize.htm
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2004 GALAXY BLACK TITAN LE CC RWD 305/45/R22
Current Mods: Billet Grille, Magnaflow dual exhaust, AEM brute Force CAI.
Future Mods: Maybe PaceEdwards Bedlocker (Electronic retractable Tonneau Cover)
2.5" lifts in front
Probably a Westin BullBar