"The outer ring of the flywheel puller tool is reattached to the flywheel to imobilise it whilst the flywheel nut is torque'd up. It is not advisable to rely on the crankshaft locking pin to imobilise the crankshaft as you may just end up with a twisted crank - remember the 582 crankshaft is a thermal interference fit and could concievably slip in which case your cylinders would be out of phase ..."
