Thank you. I wasn't familiar with the switch beside the dist. and that it's part of the fuel circuit. This is very helpful. The photos really help too.
I appreciate the replies!
I think my next step will be to try to clean everything really well and see if I can tell where the antifreeze is...
After your reply, looked for the part "Oil Pressure Switch" on Autozone site - came up with Duralast Oil Pressure Switch PS215, which looks a lot like it. Also looked in my manual - their numbers look backwards to me (numbers 11 and 30). Thinking you're right. Thanks.
Not looking good for...
I've got a really slow coolant leak on the drivers side of the engine, opposite side as all the heater hoses, etc. It looks like there is a fitting at the back of the block beside the distributor (on the drivers side of the dist.) that could be leaking. The fitting looks like it goes with...