hard or soft copper line for a valley oil gallery bypass line?

Newbomb Turk said

I read this post and I almost laughed. You still have 16 leaks at the lifters on a SBC. That still adds to the oil volume requirement of the engine. And still it will oil to 10k plus. STOCK.

You are still feeding 16 pushrods and rockers and it will still oil to 10k. Stock.

It's getting the oil to the mains on time. The Chrysler doesn't do that and the crossover doesn't fix that.

We are getting ready to do an R block with W5 heads. If I feel like it, I'll make a video of how to make on oil without the crossover and none of the other feed lines.

Or maybe I won't and I'll keep letting people waste their time and money on that modification.

BTW, I have never read where Bob Glidden said he used the crossover. I've read other people say he did, but never him.

On top of that, he was still a mortal man. He wasn't perfect. I doubt he used one. And if he did, he knew it wasn't for slowing down oil velocity. That's preposterous.

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All I can say is what Jada said. It is beyond you to understand. You understand how to correct the problem. You understand the leaks at the lifters being a problem. You don’t understand the why. And I don’t know how else to explain it to you. Yes Glidden was a mortal man. The true test of any mods is the results of testing. Sanborn did the testing. AFAIK Bob Mullen designer of the w2 head and the crossover circuit and tubing the block were integral to Gliddens
program. The lifter leaks are not a problem in the Chev because they are not fed from
Main bearing supply. A high volume pump has plenty of volume to feed everything.
The Chev just had a better distribution of it.
The addition of the set screw at #1 main,and the turning of 2&4 cam bearings and depending on rules and lifter choice, stop feeding the entire valvetrain off of those 3 main bearings. There is not one drilled feed passage (other than the cam journals)on the chev that comes off a main bearing. It is clear to see in the pic I posted.
I cannot understand how you can’t see that,
or you just don’t want to see it because like Jada said, you want to deny it.