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It doesn't have any core plugs. Years of manufacturing engines like this is how they learned that some core plugs make thing easier and better.

Should the pushrods keep to the same followers ?

holy shit the cleaning guy dropped the cutter Nick thats gotta come out of his wages

Is it possible to slurry or quick metal so to speak, build up the low spots and push in the sleeve ?.

so do you get a custom piston sized after making the bore bigger?

I don’t understand. How were you unaware they were supposed to be there, if they were supposed to be there?

Excellent video, thanks a lot. Colin UK. 'Torn down '?????????? How about dismantled ?

Did you forget you hired contractors or something?

I get a strong sense of integrity, knowledge, decades of experience. A pleasure to watch.

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That oil inlet grind it out put the block back in the oven shove a piece of copper in the hole re-weld it then drill and tape

Make sure you torque that potato to factory spec (off camera of course)

My new Toyota goes 10,000 between oil changes so 15,000 isn't as bad as it seams

Whatttt they were supposed to be there im shocked.

Truly enjoy a project like this you gotta try to learn hell it’s a sbc it will live just fine…

Yum

Some notes from an old guy: those seats look like the were "rusted in", that is the use of iodine to rust the seats in place. You could do them a favor by dressing the short side radius on the exhaust ports. One thing to think about is that the exhaust gas column shrinks as it goes through the water jacket from temp drop. So you are not flowing the same volume as what the cylinder is pushing out hot. Lastly, one way to enhance flow w/o more lift or bigger valves is to use "Pro-Flow" valves with reduced stems and a different tulip shape to promote lateral flow.

Two words: boat anchor

Rather than use the factory valve guide with wide tolerance you should have used the CNC lathe and copied the Suix taper guide with a hole to guide the Serti.

How would you do a stainless steel bolt without a welder?

Some people have no business owning a vehicle. --brain dead.

Nope, would’ve not done much different, except if there’s chatter on the seats, you can always touch up your 45* with a finishing stone.

Pretty cool build..in depth and informative.. definitely entertaining

What keeps the bearing pins from dropping down and touching the crank journal?

Not an old timer, but the rod bearings are weird. The bearings float between the rod and the crank.

the casting ports are NOT primarily there to allow the removal of the sand from the internal cores !!! Those ports are where the internal cores are supported. That is the primary function of the casting ports. They are just the most convenient way to remove the remnants of the internal core

every time I learn a new detail about the Ford flathead V8 I marvel at what a piece of crap design they are

Sir, you need an honest man to do the job of head. So please tell me? I am expert in all types of vehicle head work.

Better to take weight of ends of counter weight webs.

The early blocks were poured babbit bearings.

I do like to watch you work out a problem!!!

I can't believe the cleaning guy don't like 4 cylinders race car! I'm kinda hurt! I'll give him pass though b series and k series are the truth. Broaden your horizon. All motor have pros and cons

The bore offset is interesting, Smoky Yunick was said to have bought raw blocks and machined them this way to get around rules that prevented him from using offset wrist pin pistons in NASCAR.

Its always easy to lay blame on one thing, I say it was a multiple missteps that lead up to now. Not doing a good pre-lube, hurried machine build, missed one valve measurement, it doesn't take much. The older engines can be rebuilt and were made so you can. Todays engines are like throw-away single use and is a waste.

The French, used flatheads in several tractor lines up until the early 2000's. You can still buy flathead block brand new from France. Just a bit of trivia

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Nice Work. So Glad that the Cleaner is Moving Up in the World. He Sure Can Clean a Engine Block. #STAYSAFE #PHILLYPHILLY 🇺🇸

I love your videos as they are very informative from a very well seasoned engine builder AKA the "cleaning guy" One factoid about full flow oil systems is that when the oil is cold, because of the limitations to flow thick oil through a filter media and the strength of the filter can, there is a bypass feature that allows oil to flow past the filter media and directly into the main oil galley. The filters I'm familiar with will bypass with a pressure delta of approximately 8-11 PSI between the inlet and outlet of the filter media.

I have an original 1937, complete. Was going to go in a 1937 1-1/2 ton delivery van. Sold that project to a local gentleman who plans on going the LS route so I have no immediate plans for it. Would love to have you dive in for the knowledge it would bring.

@THEFLATSPOT is a great source of information about these engines.

When I was at Ford as an experimental engine mechanic back in the early 80's I had the honor of being able to meet and converse with a gentleman named Don Sullivan. Don "Sulli" Sullivan worked on design of the flathead in Thomas Edison's laboratory and back in the early 80's he came back to Ford to design a 4.5L Nascar engine for the Winston cup series. He was a very pleasant man who took working very seriously and had a note above his desk "If you have nothing to do, Don't do it here". Great guy. During one of our many discussions he told me one bank of the flathead was offset in order to properly balance the engine.

Great job and well thought process. My only comment would be on wire brushing the carbon, pretty sure the carbide insert would have done the same thing during machining, but love your efforts for perfection.

My father worked at Perfect Circle in the 1940s before he enlisted in the Army Air Corps.

U do not look or act 75. Keep up the great work. Respect.

Why do you use weatherstrip adhesive? Isn’t that for water prone areas? Oil is bipolar, so wouldn’t it ruin the adhesive properties? Please provide insight. Thank you!

how much of a press fit do you use?

I spent a long time working on old Rolls Royce cars. Hylomar is magic!

Was badass

Back in the day, -70’s, I bought a second hand Sioux valve grinder and seat grinding equipment. Included, was a set of segmented bushing, looked kinda like little tailpipe expanders. Think they were made by Lesle. They inserted in the guide bores, on the applicable flathead, and were expanded by a tapered Sioux pilot. Y’all giving me flash backs… Also, the core plug holes also functioned as legs / supports for the inner cores during buildup of the cores for block casting, and kinda redundantly provided a place to get the sand out.