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Ive recently just put back together an F4R engine out of a Renault Clio 182 Sport.
The main problem with this is you need to not only lock the crank, Pulleys and then cams out to get proper timing, due to Renaults version of VVT.
I think something like this would be great if added to show the differences in the style of setting cams up.
I know there is many styles of engines out there but given my side of the world , the F4R comes in a wide variety of cars as does Renaults floating cam setup.
It took me a good 6 attempts following the workshop manual to get the timing bang on , even using Renaults tools it was a faff.
They're rather un-common down this side of the world, so i'd be quite surprised, but there are quite a few engines made now that don't use key-ways, or similar, to align pulleys/sprockets to their shafts, if that's what you mean, and some may have made it here.
They are busy, though, so I wouldn't hold my breath.
I did guess that its very much down to where you are in the world as to how common the engine would be.
The cams have cut outs and you have to use a Horse shoe to lock the cams out whilst tightening the Pulleys/Cam end.
There a nightmare though as they have a tendency to move MM's which can throw the timing out giving lumpy idle and a loss of power.
Admittedly I haven't finished the Fundamentals module yet, so it may be mentioned during the degreeing of a cam.
