update, progress and a question or two about my engine rebuild

So I pulled my straight 6 out of my 48 f2.
Got it in the shed and rebuilding it. So far so good. Got 2 pistons out and starting to take everything else off. Got 2 buckets to put all the parts in and the plan is to take as much as possible off and get valves done at machine shop and I am going to try and put the pistons back in and everything else back together. That is the plan at least.

A couple questions.
1. How Do I get the oil pump out? I got the 5 bolts off of it but it doesn't appear to want to just slide out. Do I need to knock it loose? I see it is geared in the block. Do I need to do something special inside the engine to get it to come loose. The shop manual appears to say it will just pull out but mine didn't come out but I wasn't sure if I need to put a little more force on it or something else.

2. I got into the engine rebuilding on this because the engine was seized up and wouldn't turn when I turn the crank shaft bolt. It still won't turn.
So I have 2 pistons out but last night I went to get a 3rd and this one was too far over to the side to come out (the bolt on the rod would hit the block but I couldn't get it around the crank either). So my plan is to put that one back together and see how many pistons I can get out and see if it turns then. If it doesn't turn with say 3 or 4 pistons out, what do I do then? Do I loosen some of the main bearings and see if I can get the crank turned then?

Below are some pics of my work in progress. Let me know if you guys want to see anything else

Pic of my missing piston

pic of missing engine :

Front of engine with pulleys and cover off

 

I have a 226 in my basement right now that is cracked beyond practical repair. (it overheated real bad) When the snow melts and the ground firms up enough to haul it back outside it will be going to the scrap yard. So if you need any external trinkets or bolts let me know. I won't be opening up the engine or removing the oil pan cause I don't have a suitable way to contain the mess or support it off the ground. But I'll be happy to pull off anything for you that can be easily removed.
Tom

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I really appreciate it. I may take you up on that but I don't know of anything I need at the moment.

But it does make me wonder about something else. How do I know my engine isn't bad? I was told it ran when the truck was parked but then it sat for like 20 or 30 years. I don't see any signs of it being bad other than not turning over. But if the block were cracked would I have seen it when I poured fluid in it? I did put water in the coolant area too. I didn't see any leaks but of course it was running or turning over either.

 

My block cracked around one of the exhaust valves, and the valve seat floated around in pieces wreaking havoc all over. It is the sort of thing that didn't cause any fluid to leak out.

Seems that every person selling an old vehicle will say 'it was running when it was parked'.
The previous owner of my truck said something similar and the engine was toast.
For what it is worth...there are misc. new engine parts for the 226 on E-Bay right now from various sellers. I still get alerts from E-Bay when certain watched items become available. Pistons, valves, bearings, gaskets, etc seem to be available if you look long enough. I have a few valves and some rod bearings I think that I bought back when I thought I could salvage the engine. Instead I found a donor 226 engine that was in good shape and that will be fired up next month when I get it on the frame.

Tom
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Likely some of the rings are rusted to the cylinder walls.....also some valves are rusted in place.
Take out as many pistons as you can. Then if you can get the rod caps off of the remaining, you might be able to lift the crank out, leaving those pistons in the block. Maybe.
If not, see if you can remove any of the valves.
You are using a penetrating oil (not WD40) on all of the stuck parts, right?

There would likely have been water in the oil if were cracked bad, but look it over for signs of freeze cracks as well.

 

From your picture of the bores it looks like you have pitting. If so you will want to bore the cylinders and install new pistons.

Also worth mentioning is just finding another 226 in good running shape. Lots of these get removed by someone who has to have a V8. I bought a rebuilt engine, transmission, radiator, and exhaust system out of a restored 50 sedan for $500 not too many years ago.

 

I've got a straight 6 in running condition. I would sell it and the trans for $300-$400 plus shipping