that's very true. I just thought bandicoot could do with some practical tips rather than theoretical ones... because in theory sometimes that's just not the case.

Bandicoot would also have one of these on his bench no doubt

http://www.ebay.com.au/itm/Twin-Quad-Cam-Locking-Tool-T-E-Tools-new-6266-/261511508873

or possibly they will be using the 3 mates with an extra hand hanging out of their clanger approach.

Honestly the amount of backyarders who do not replace water pumps, idler  bearings tensioner bearings, hyd tensioners etc or neglect to check for camshaft bearing seizure  and have a second breakage with modern multi cammed engines is best stated as many.

The reason for the failure needs as best as possible to be ascertained before repair then reassembly is attempted.