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Archive for September 23rd, 2007
Inflation Pressure?
Posted by Erwin from NANJING, OT, CN on September 23, 2007
11 R22.5 tires. At what air pressure can I attain the best comprehensive result, including the tire wear and fuel economy.
At highway speeds, the correct inflation pressure for a tire depends on the load being carried. Our engineering data book, available here http://www.goodyear.com/truck/tireinfo/publications.html has load/inflation tables for every tire we sell. Have the vehicle weighed (by axle) when it is carrying a "typical" load, divide the total axle load by the number of tires on the axle and determine the load per tire. You can now look up the inflation pressure needed to carry the load of each tire. Needless to say, having 3 different inflation pressures for the steer drive and trail axles is sometimes confusing so, most people use the highest inflation pressure required as the specification for all 3 axles. Matching the inflation pressure to the load being carried will maximize wear and fuel economy.