Quote:
Originally Posted by JFP in PA
Very simply: Because the cam holding tool screws into the end of the cam rather than slides into a slot as the locking tool does, and therefor has a much better grip on the cams. There is a lot of spring pressure on the cams and you do not want to have them move away from the cylinder head saddles when the upper saddles (part of the cam cover) are removed.
And just a by-the-by, be very careful with the cam covers, they are machine matched to the mating cylinder head, and cannot be mixed or replaced.
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So, if you crack a cam cover you must find a good MIG welder or your engine is toast???