[1968_K20_4x4]

So while I wait for my new carb to arrive I have a couple little updates. Checked the casting number on the block and it checks out to be a 69-73 307 2 bolt. Also, pulled a few spark plugs. Not sure if you can tell if they're good just by looking at them. They're very dirty and one had oil on the thread. Here's a couple pics of the plugs for your consideration