Originally Posted by LRT There is a significant difference in durability between the the S10 4L60E and the 4L65E that would have been originally mated with the LY5 engine. . Yes, the 4l60e is rated at 360lb/ft torque and 610 gearbox lb/ft of torque. The 4l65e is rated at 380 lb/ft of torque and 670lb/ft of gearbox torque. peace Hog
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