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The 700/900FAQ has procedures for removing the various sprockets. What I do is remove the cast aluminum bracket from the rear of the oil pan to the bell housing. I got a length of steel bar 1/8 X 1-1/4 in. less than 6 in. long. Set the crank to TDC. Measure from an exposed torque converter bolt to one of the bell housing bolt holes on the bottom. I drilled two holes in the bar at that spacing and slightly bent the bar to a slight S shape. Removed the bolt from the flywheel and put the short end of the bar under it. Used one of the lower bell housing bolts to attach the other end of the bar to the bell housing. This will lock the crankshaft very securely. I do this before removing the belt and I can break loose the bolts securing the cam and intermediate sprockets with just the belt holding them stationary. When re-assembling, after the belt is on and everything is lined up I tension the belt before torquing the sprocket bolts. Since you already have the belt off you may be able to put a large screwdriver through one of the holes in the sprockets to hold them while you break the bolts loose.
Currently Harbor Freight Tools has a Camshaft Pulley Tool for $7.99. Item #45315-2VGA. I bought one a few days ago but have not tried it yet. It should hold the cam and intermediate sprockets when tightening and loosening the bolts.
Good luck,
Bruce
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'88 745, '87 744 in Virginia Beach
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