SECTION 2-A 1956 BUICK ENGINE SPECIFICATIONS 2-1 1956 BUICK ENGINE TIGHTENING SPECIFICATIONS Use a reliable torque wrench to tighten the parts listed, to insure proper tightness without straining or distorting parts. These 1956 Buick specifications are for clean and lightly lubricated threads only; dry or dirty threads produce increased friction which prevents accurate measurement of [...]