Thread: can i use 275/45 or 40 instead of 285/45 tires at rear
View Single Post
  #4  
Old 09-12-2009, 09:46 AM
motordavid's Avatar
motordavid motordavid is offline
RetiredBum & Semi-RenaissanceMan
  
Join Date: Mar 2005
Location: Mtns of Western NC, & SW FLA
Posts: 16,833
motordavid will become famous soon enoughmotordavid will become famous soon enough
You lose a tad with that "smaller" rear tire, rolling circumference-wise:

SpecificationSidewallRadiusDiameterCircumferenceRe volutionsSpeedometerOdometerDifference285/45-195.0"14.5"29.1"91.4"693/mi60MPH10000miN/A275/45-194.9"14.4"28.7"90.3"702/mi61MPH10123mi-1.2%

Sorry, I can never paste the results from that site in readable format.

Here is a site to try, in English:
plug two sizes into the box...

Tire size calculator

And, another site:

Tire Size Calculator - tire & wheel plus sizing
__________________
Ol'UncleMotor
From the Home Base of Pro Bono Punditry
and 50 Cent Opins...

Our Mtn Scenes, Car Pics, and Road Trip Pics on Flickr:
http://www.flickr.com/photos/4527537...7627297418250/
http://www.flickr.com/photos/4527537...7627332480833/

http://www.flickr.com/photos/45275375@N00/

My X Page
Last edited by motordavid; 09-12-2009 at 09:56 AM.
Reply With Quote

Sponsored Links