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Exactly! I would use one side to fill with oil and the other, a breather for this:
https://drive.google.com/file/d/14KRK8-XkF_YDhSi-mfkMc5JUCw6IrMRM/view?usp=sharing

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!

https://drive.google.com/file/d/1OxVu3O19Xjklv489AkgGvbxjKEIiae56/view?usp=sharing

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

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...

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

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?

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...

Unbelievable, Ken! Mine does have that hole for the draft tube and, like you, I'm in no hurry to attempt a modification - especially after hearing your story! I'm sure I can locate one that'll...

I don't know, Ken. What would I look for to find out? The engine came out of a Canadian made '65 Studebaker and when I got it, there wan't much left.

Yes, everything was cinched down and the tool was in all the way.

I see there are three pipe plug holes just above the cam plug at the back of the block. They're definitely threaded and I'm...

UPDATE: The 25/64 bit worked perfectly and a bottoming tap gave me lots of threads. My Proform H.B. Installation Tool #66515 broke while pressing on the balancer, leaving the tip inside my crank. ...

Thanks so much, Guys! I'll get the bit and tap lube tomorrow, Glenn, and Jimbo, I've got that tool for pressing on the balancer, having rebuilt a previous engine.
I agree... the quickest way to...

I was able to cut a 3/8 by 24 thread in the crank end but I'm afraid it wasn't strong enough and I'm having to re-tap to the next larger 7/16 by 20, as the factory did on later engines. I'm having...

Guys - I'm putting a mid-60s "Thunderbolt" 283 back together and need to press on my harmonic balancer. I bought one online that came with a bolt, but the bolt's too big for the crank.
I tried a...