I just looked at the pictures and it sure does look like one spring on #4 has the tight coils up. It might be my bad drugs but it also looks like there is a huge amount of valve stem sticking up above the retainers!
Do those valves have the two grooves and the keepers were put in the bottom groove..the one the oil control ring goes in.
I'm not sure, but I looked at a picture in a service manual and the amount of stem protruding doesn't seem to be anywhere what Coolers pictures (nice) show.
Am I full of crap again!

Stuart