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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.3L (LV1)) >> Description and Operation >> Engine Component Description >> Engine Block

Engine Block

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The engine block is a cam-in-block deep skirt 90 degree V-configuration with 4 crankshaft bearing caps. The engine block is cast aluminum. The 4 crankshaft bearing caps each have 4 vertical M10 and 2 horizontal M8 mounting bolts. The camshaft is supported by 4 camshaft bearings pressed into the block. The left bank of cylinders are number 1-3-5 (#1 is front left) and the right bank of cylinders are 2-4-6 (#2 is front right) viewed from the flywheel end of the engine. The engine firing order is 1-6-5-4-3-2.