... we recommend you can drive on the low-grade for the initial stage, then improve slowly, about 15 ... best.After installation, keep no moving for 8 hours, then drive for about 1 hour to reach the fuel ... air, please pay attention to clean air filter, compressor and so on.8.InstructionThis product must enter the ... ! After entering into the tank for 1 hour under dynamic or static for 8 hours, all the fuel ...