发表于 2017-04-09 00:46 IP属地：未知
Viscosity measurements following the KRL Shear Stability Test revealed that seven gear lubes sheared down below theminimum viscosity requirements (orange), failing the shear stability requirements of the SAE J306. The two gear lubes withthe largest viscosity loss, as reflected in the following graph, were Royal Purple, losing 40.6% of its viscosity, and TorcoSGO Synthetic, losing 35.2% of its viscosity.
Royal Purple was the only gear lube to fail both the initial viscosity requirementsand the shear stability requirements. It started out too thick and ended up too thin. Torco SGO Synthetic, which hadthe highest VI in the previous graph, finished the shear stability test as the thinnest of all the oils at 9.97 cSt, far below the minimum 13.5 cSt requirement. Lucas 75/90 Synthetic, with an initial viscosity that exceeded the maximum requirementsby 20.8%, passed the shear stability test, but lost 34.5% of its viscosity, the third largest loss of viscosity. Both OEM gearlubes, GM and Mopar, failed the minimum viscosity requirements after the shear test. Of all the gear lubes tested, half didnot meet the SAE J306 shear stability requirements.
（紫皇冠失去其粘度40.6%，脱裤失去粘度35.2%，Royal Purple Max-Gear 75W-90是唯一的剪切稳定性失败的产品，测试开始的时候粘度太后，测试结束的时候粘度太薄。紫皇冠、脱裤和卢卡斯剪切稳定性测试结果半斤八两。）
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