MPG calculation: Help needed please
#21
Registered User
Join Date: Aug 2003
Location: Mountains outside of Boulder
Posts: 613
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by hypnotoad
How much do you subtract, and at what rate, for the wear of the tires themselves? They aren't the same diam when they're worn as when new. In other words, it ain't accurate to begin with so all this math is like tuning up the band while the ship is sinking - fruitless.
new tire = 31.6"
old tire = 31.6"-28/32" = 30.725"
30.725/31.6 = .972 or about a 3% change over the entire life of the tire if you run it to the legal limit.
Thread
Thread Starter
Forum
Replies
Last Post
Road Bull
86-95 Trucks & 4Runners
23
10-10-2015 04:55 PM
TURBOrunnerNM
86-95 Trucks & 4Runners
4
07-22-2015 11:01 AM
FS[NorAtl]: 1989 pickup beds and leer cap Rhode island
mickyd9990
Misc Stuff (Vehicle Related)
0
07-06-2015 09:01 AM