1. Tire and Wheel Theory
Chapter 54
Page 783

2. Tire Types

3. How a Tire is Built

4. Radial Tire Construction

5. Tires and What They Do

6. Non-Directional Tires

7. Directional Tires

8. P 205/75 R 15 Tire Codes P=Passenger Tire 15= Rim Diameter
R= Radial Tires
R-Radial
B-Bias Belted
D- Diagonal
Tire Codes
P 205/75 R 15
P=Passenger Tire
P-passenger Tire
T-Temporary
C-Commercial
LT-Light Truck
T-Truck
15= Rim Diameter
205= Section width in Millimeters
75= Aspect Ratio
Height divided by Width (MM)

10. How to Read the Tire Information

11. Speed Rating
All tires are rated with a speed letter. This indicates the maximum speed that the tire can sustain for a ten minute endurance without coming to pieces and destroying itself.
Letter MPH
P 95
Q 100
R 106
S 112
T 118
U 124
H 130
V 150
W 168
Y 188
Z 188+

12. Rim Offset Road side Inside
Zero Offset Positive Offset Negative Offset
Positive and Negative offset will change how a vehicle steers and turns.

13. Wheel Designation

14. Type of Wheels

15. Lug Nut Types This taper goes toward the rim to center
the rim on the lug studs.
What for lug cap separation. This will cause you to strip the lugs because they are smaller when the caps are missing.

16. Valve Stems & Caps
Rubber
Steel
Pressure sensitive cap

17. Valve Core
Long
Short

18. Your Job.
Complete chapter Questions 1-10 (review) and 1-10 (ASE-style). Page
Write on a separate paper and write out the complete question and your answer. ( do not write the other answer options).
Complete the chapter worksheet (I will give it out). You may write on it.
File all items in your note book.
Notebooks will be graded in the future.