318 timing chain.....and why the engine should come out.

I guess I’m pulling the heads and doing the valves.

I ream it with a ridge reamer from autozone while I’m in there and see if there are any score marks on the cylinder walls.

It probably did get a healthy diet of gas in that oil.
When I got it....the carb was toast and had no choke set up on it.

I also had to pump it a lot to get the timing set up. I ended up having a bad distributor. I put another new one on it and that was bad. Then the carb ssytem I had on it in that picture ran rich as well.

I had my hand in the gas in the oil for sure. I’ve since learned a lot more about how to tune and prevent that sort of thing.
In the near future I’ll start tuning it by wide band with an adjustable metering block on that 600 Holley.
Don't ridge ream it just to do that... only do it if you change rings and/or bearings. If you are not changing them, leave the ridge alone for now. BTW, gas in the cylinders can wear them without leaving any notable score marks. Hence my comment to measure them..... I had a /6 that needed to be bored .040" due to a leaky carb (for years with the PO; he just did not know any better) that did not look all that bad just from the general appearance of the cylinder walls.

I can see what DN says.....sometimes ignorance is bliss! LOL