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> Turbo oiling question(s)...., getting oil "back" to the engine....
Mueller
post Apr 18 2005, 11:25 AM
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How critical is the draining of the oil from the turbo back to the engine?

For the turbo that is not going to be installed on my car, 'cause you cannot turbo a 914, I'm toying with mounting the turbo either right behind the collector on my header (see second picture...red outline on header, mine is similar to the one in picture....) (a la' Chapman's 3.0 turbo setup with turbo in the back)

or use a mandrel bent U bend pipe to locate the turbo up where Ben M (airsix) has his turbo located
(IMG:http://www.914world.com/bbs2/uploads/post-2-1095059341.jpg)

Since the oil going to the turbo is pressurized, shouldn't the oil have no problems getting out of the bearings of the turbo and back to the motor without assistance??



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airsix
post Apr 20 2005, 11:00 AM
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My engineer Father always says "Just because it quacks doesn't mean it's a duck." I fail to see why you would need stainless-sheathed hose with AN fittings for a turbo oil return that is unpressurised, shielded from high-heat, and doesn't move around. No OEM's do that. Are they all doing it wrong? That, IMHO IS NOT "doing it right" it's over-engineering something so that you feel good when you look at it. "Looks fancy" is not the same as "well engineered". You've made it quack, but that doesn't mean it's a duck.

I see a lot of 914's for sale with "$60,000 invested" in the description. They never sell or they go for 1/4 of that price and the builder/seller walks away bitter. Build whatever you like, but my 914 is a mule. And I like it that way. It's taught me a lot, and tuition has been cheap. If I want pretty and refined I'll go look at my M3. If I want precision craftsmandship I'll build another one of my scratch-built custom liner-lock pocketknives made from raw matterials that has over 20 measurements that must be accurate to 0.0005". I don't need that from my 914. Maybe YOU do, but that just means that's "your way". It doesn't necessarily mean "the right way". You're sounding like that Maddox guy who says "This page is about me and why everything I like is great. If you disagree with anything you find on this page, you are wrong." (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif)

-Ben M.
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Posts in this topic
Mueller   Turbo oiling question(s)....   Apr 18 2005, 11:25 AM
McMark   If you put the turbo back by the muffler will you ...   Apr 18 2005, 11:28 AM
Aaron Cox   before the muffler loks like the easiest way to me...   Apr 18 2005, 11:29 AM
john rogers   If I remember correctly our 1987 930 has a drain f...   Apr 18 2005, 11:30 AM
Mueller     Apr 18 2005, 04:27 PM
airsix   Hey Mike, I cringe every time I see that pic (at t...   Apr 18 2005, 10:53 PM
Brett W   Turbos drain back oil is not pressurized. You mus...   Apr 19 2005, 06:36 AM
airsix   <...   Apr 19 2005, 01:14 PM
Brett W   Biting my tongue.   Apr 19 2005, 01:40 PM
airsix   Brett's comments from the oil-cooler thread:   Apr 19 2005, 02:57 PM
Mueller     Apr 19 2005, 03:45 PM
Aaron Cox  
  Apr 19 2005, 04:07 PM
Mueller   <...   Apr 19 2005, 04:46 PM
airsix     Apr 19 2005, 05:09 PM
Mueller     Apr 19 2005, 05:14 PM
Aaron Cox   <...   Apr 19 2005, 05:17 PM
Brett W  
  Apr 19 2005, 09:46 PM
Mueller   Brett, this is nothing new to the 914 crowd only (...   Apr 19 2005, 10:11 PM
airsix   No flames Brett. I agree with some of what you...   Apr 19 2005, 10:45 PM
jonwatts   <...   Apr 19 2005, 11:00 PM
airsix   Hi Mike. I've got thick skin. ...   Apr 19 2005, 11:02 PM
Aaron Cox   Mike and Ben, here is a pic of the oil pump..... ...   Apr 19 2005, 11:13 PM
Walter     Apr 20 2005, 12:48 AM
Brett W   Sammy if wanting to to the best job I can then I a...   Apr 20 2005, 09:47 AM
airsix   My engineer Father always says "Just because it qu...   Apr 20 2005, 11:00 AM
Brett W   The factory uses a braided flex hose or a bellowed...   Apr 20 2005, 05:39 PM


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