just to let you know, that last opening with the coolant in it, thats the coolant crossover, thats not the #7 intake port. also the one built up with carbo i believe is an exhaust crossover for the EGR and thats common to build up, your 7 and 8 are fine.
but as for the sludge by the springs and rockers, yeah thats pretty bad.
edit: dahm tim beat me to it, lol, i took too logn to type
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