How much does temperature affect motor?

I just got around to being able to wrench on my dart for a few minutes
I only pulled a few spark plugs just to get an idea. I fully admit I don't really know how to read spark plugs but these look a little too dark and wet to be normal correct?
I don't think I have that hot idle compensator on my carb?
It might be important to note that I basically don't run a choke on the carb. no matter how light I had it, I could not get it to work right and the engine would run horrible. I basically hVe it set to stay fully open at all times how it is in the pictures, it only turns maybe another 10-20* before it's fully vertical
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