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Compares tire specifications and impact on speedometer accuracy, handling, and fuel economy. Validates tire compatibility.
सूत्र
Speedometer error = circumference change %
चरण-दर-चरण मार्गदर्शिका
- 1Tire size: width, aspect ratio, wheel diameter (e.g., 225/50R17)
- 2Compare rolling circumference changes
- 3Speedometer error = circumference change %
- 4Check load and speed ratings match vehicle
हल किए गए उदाहरण
इनपुट
P215/60 vs P225/55
परिणाम
Diameter +0.8%
सामान्य गलतियां जिनसे बचना है
- ✕Not checking load rating change
- ✕Installing all-season when winter required (safety issue)
अक्सर पूछे जाने वाले प्रश्न
Can I use different tire sizes?
Minor differences (±3%) acceptable; larger changes affect speedometer, odometer, handling.
What happens with larger/smaller tires?
Larger: slower acceleration, improved efficiency but less response; smaller: opposite.
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