Camshaft Gear Installation

Support shaft directly back of front bearing journal and install gear spacer ring and thrust plate. Install woodruff key in shaft keyway. Press camshaft gear onto shaft until it bottoms against gear spacer ring. End clearance of thrust plate should be.001-.005. Install camshaft assembly in block. Lineup gear teeth (see illustration), then push camshaft into position. Install camshaft thrust plate-to-block screws and tighten securely. Gear runout should not exceed.004 (camshaft).003 (crankshaft). Backlash between timing gear teeth should be.004-006".