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Originally Posted by Joe Perez
(Post 1085041)
That's really the key point in all of this.
It obviously works "well enough," and is hugely unlikely to cause any catastrophic failure. Any damage resulting from this setup, were it to occur, would be extremely gradual and most likely masked as ordinary wear. The question then becomes- is it worth taking the chance just to save a few feet of hose and a tee fitting? My main dilemma here is with making it shorter/simpler/cleaner, and having less lines running all over the place. But no matter how much I think about this, read about this, and read all of your guys' really good opinions/inputs, I am still torn. It doesn't help that on ebay the "short" line is actually more expensive than the "long line" either. Ugh *edit: I'm REALLY liking this discussion though, and thanks for all your input guys, I think this is the 1st time we discuss this topic as in depth as in this thread. |
Joe:
Do you agree that a head is not designed to work using any actual flow at all apart from that which leaks from the lifters and that which simply replenishes the oil which is wiped from the cam lobes and bearing faces? Do you agree that the rod bearing surfaces are the highest stressed parts inside the entire engine? Have you ever starved a BP, have you EVER heard of overheated oil or insufficient pressure damaging cam bearings or lifter/lobe surfaces? Do the lifters tick FAR before anything like this happens? (and lifters never tick with this feed, ever.) etc Again, just perspectives and questions, not a pissing match. Vlad: the line in my pic is 550 long :) Dann |
21.6 inches. Got it, thanks.
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Originally Posted by 18psi
(Post 1085059)
It doesn't help that on ebay the "short" line is actually more expensive than the "long line" either.
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Pretty sure that it has been determined that the restrictor is the same for solid and HAL heads (in one of the other threads). Sounds like the VVT port would be a good, safe compromise. Don't know how that would route the line, exactly. Any pics of that approach? Wouldn't work for me as '99.
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Originally Posted by nitrodann
(Post 1085062)
Joe:
Do you agree that a head is not designed to work using any actual flow at all apart from that which leaks from the lifters and that which simply replenishes the oil which is wiped from the cam lobes and bearing faces? Do you agree that the rod bearing surfaces are the highest stressed parts inside the entire engine? And yet I still cannot agree that drawing oil out of the one spot on the engine which is most restricted and furthest away from the oil pump in order to feed a turbocharger is in any way more optimal or less risky than drawing the same quantity of oil out of one of the largest-bore drillings in the whole block, an area with more-than-adequate flow capacity. |
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