Lubricants for metal V-belt type CVTs (B-CVTFs) must be able to produce a higher metal-metal friction coefficient and give excellent anti-shudder properties for lock-up clutch used in B-CVTs. This study intends to optimize various kinds of lubricant additive such as anti-wear additive. detergent and friction modifier (FM) for improving these performances of B-CVTs. In addition. https://www.roneverhart.com/HP-Victus-15-FA0031DX-15-6-FHD-IPS-Gaming-Laptop-Intel-Core-i5-12450H-3-3-GHz-GeForce-GTX-1650-8GB-DDR4-RAM-512GB-SSD/