resin chocks: 100% contact in contact surfaces, won't corrode and free from any chemical action,easy and cheaper installation.no fretting so can use shorter and and less resilient holding bolts also reduce bolt tension can also reduce engine vibrations. max working temp is 80 degree Celsius.
Since very small needle lift is obtained in the test equipment result in an unequal pressure distribution in the cut off shaft resulting in a hard contact in a small area along with high frequency oscillations, low lubricity of test oil will increase the chance of seizure. Full lift and high lubricity of heavy oil eliminates this risk of seizure during normal operation.( Always open and clean slide type valves before testing as cold sticky heavy oil along with small clearances can cause restriction in the movement of the spindle).
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