What can you guys tell me about this motor? Are they carb or efi and, what year where they produced? All I keep finding when I search the web is decals. That's nice and all but I really care more about what's on the inside. Any common issues to look out for? I came across one for a pretty good deal. Motor looks real clean and well taken care of and compression is spot on. I'm having a new oil pump installed on it along with a full service just for good measure.