Crank bolt?

Thanks for the leads, Ken!
As it turns out, it'd been so long since I disassembled this engine, I forgot what I'd put in marked cans on the shelf. Going thru them, I found a small tube that goes into the road draft hole at the back with a long bolt to fasten it. It reduces down to a hose fitting, so I guess it does require a PCV after all.
I think the tricky part of using this engine will be in how I'm going to attach an alternator. These early GM heads, as you know, weren't drilled for accessories.

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Originally Posted by IowaTom

Thanks for the leads, Ken!
As it turns out, it'd been so long since I disassembled this engine, I forgot what I'd put in marked cans on the shelf. Going thru them, I found a small tube that goes into the road draft hole at the back with a long bolt to fasten it. It reduces down to a hose fitting, so I guess it does require a PCV after all.
I think the tricky part of using this engine will be in how I'm going to attach an alternator. These early GM heads, as you know, weren't drilled for accessories.

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Can you post a picture of the tube? Early rams horn exhaust manifold, left side, had provision for a generator which I think you could make a mount for an alternator. Something like this but may be not quite as pricey.
https://www.ebay.com/itm/Corvette-Or...gAAOSwWxxasrjL

My exhaust manifolds don't have that provision. :-( In order to post a pic on this forum, I need to hang it on a photo-sharing website, right?

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Originally Posted by IowaTom

My exhaust manifolds don't have that provision. :-( In order to post a pic on this forum, I need to hang it on a photo-sharing website, right?

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No, I use the go advanced feature and use the paper clip attachment.

I have some rams horns with the generator mount on them. I live 12 mi south of Des Moines

Thanks, Figure8, but I moved back to WA when I retired... just kept the "handle".

https://photos.app.goo.gl/vxjhycQyrbvN95v37

Trying to include a photo but can't figure it out...

Before I install my new intake manifold, I'm concerned about a rather large machined hole at the front of the valley that allows me to touch the cam timing gear when I stick my pinkie in. There's nothing but the floor of the manifold that covers it, when in place. Looks like it allows a free flow of oil. The hole is about the same size as the one for the distributor.
Also, do you guys suggest I use a sealant in addition to the rubber gaskets Felpro provided for the manifold?

file:///C:/Users/Jannelle%20Noller/Desktop/283.jpg

https://drive.google.com/file/d/1OxV...ew?usp=sharing

are you sure that's not an early Buick engine? don't recall that bore in a Chevy block

Look at this manifold https://www.ebay.com/itm/Vintage-Off...gAAOSwa5Rdyf4d

The tube left of the water bell should line up with the hole in the block.

now that works just never noticed the block like that

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Originally Posted by cffisher

now that works just never noticed the block like that

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That hole goes straight to the pan, all early sbc's were cast in that manner.

Thanks, Guys! Guess it won't do any harm to find a set of valve covers with an oil hole, otherwise I'll be adding it thru the dipstick!

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Originally Posted by IowaTom

Thanks, Guys! Guess it won't do any harm to find a set of valve covers with an oil hole, otherwise I'll be adding it thru the dipstick!

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However you build the engine just make sure it can breathe otherwise all you'll build is a grenade.