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0509sc Assembly 16 Z

This a great, low-tech secret of the PBC that contrasts with the computer-controlled torque wrenches: after the front cover is bolted on, a "boat wheel" is attached to the crankshaft as a leverage device that makes turning over the engine a lot easier. The red line, however, is a timing reference. When it's straight up, the crank is in the correct position for the timing chain. Easy!
LS7 Unplugged

This a great, low-tech secret of the PBC that contrasts with the computer-controlled torque wrenches: after the front cover is bolted on, a "boat wheel" is attached to the crankshaft as a leverage device that makes turning over the engine a lot easier. The red line, however, is a timing reference. When it's straight up, the crank is in the correct position for the timing chain. Easy!  View Related Article