[FFR428]

The SCJ did use a thicker and larger balancer. They are the same as ther earlier C4 427 balancer. The IUA SCJ crank has the front hatchet added for balance as mentioned. The main differnece between the IUA SCJ and the more common IUB CJ is the weight pad ontop of the 7th counterweight of the IUB is missing from the IUA. With the use of the LeMans rods the IUA was balanced with more weight on the nose hence the hatchet crank spacer added. Why Ford chose to put more weight on the nose is beyond me. A recent disscussion on the net54 forum revealed that the SCJ and CJ flywheels are basically the same item. Just the SCJ uses a different part number forthe CJ and I'm sure the balance is slightly different besides. A forum member spent years tracking down a mint SCJ flywheel and paid $$$$$ for it only to discover it's a match except final balance to the CJ's. The SCJ had a C9ZE part number and the CJ a C8OE.

G.