Changing Tires Project
by: Zach W. and Chandy C. Bellish 3rd 11/3/13
Rim Information
2008 GMC stock rims
P265/70R17
Miles Per Gallon
This Chevy pick up holds 15 miles to the gallon.
Chart for 2008 GMC Yukon rims
Width: 265 mm or 10.43 inches
Aspect Ratio: 70%
Height: 7.3 inches
Diameter: 31.6 inches
Circumfrence: 99.3 inches
Replacement Tire
Information for GMC Yukon replacement tire
P245/75R16
Chart for GMC Yukon replacement tire
Width: 245mm or 9.6 inches
Aspect ratio: 75%
Height: 6.7 inches
Diameter: 29.4 inches
Circumfrence: 92.4 inches
"K" Ratio
Circumference of bigger tire= 99.3 inches
Circumference of smaller tire= 92.4 inches
Difference = 6.9 inches
Ratio= 1.075
Statements
1. it actually says 53,750 miles instead of 50,000
2. It will read 75 MPH instead of 70
3. It actually has 16.13 MPG instead of 15
Math
1. 50,000 X 1.075= 53,750 Miles
2. 70 X 1.075= 75 MPH
3. 15 X 1.075= 16.13 MPG
Work Cited
For replacement tire:
http://car.mitula.us/detalle/952/98994770591151366/1/1/gmc-yukon-trucks