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Brando
 
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To scavenge or not to scavenge.

I'm building a 76 930 that had been disasembled and the only things not with all the parts was the scavenge pump and wastgate. I've got the wastgate but I need to know opinions on using the scavenge pump or just capping that. Ive seen a few people just drain to the case in various places rather than use the SP or even a simple electric pump. The SP is not cheap and would do it if it's really important. Oppinions on this please? Anyone have one they might not need I could buy for less than what I might see on fleebay? Thanks.

Old 10-01-2010, 06:26 AM
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Since you have the sump plate... you could drain the turbo into that. Pretty sure there are sump plates specifically made for this. If you had the later style case I would say you need the scavenge pump.
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Old 10-01-2010, 07:23 AM
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Brando
 
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930gt-40r


You use the garrett, do you use the scavenge?
Old 10-01-2010, 09:09 AM
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Yes I do- i have a 40R on my car and I use a drip tank going into the scavenge pump. However, my car has the later case which does not have the sump plate and I do not like the idea of substituting the drain plug for the turbo drain. With the plate, you can have both.
I think this would be the path of least amount of pain/money for your situation
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86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 10-01-2010, 11:01 AM
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Can you post a photo of that? I'm dealing with a similar scenario draining the oil to the case and I think I may have to install a small oil catch can to avoid the oil coming back to the turbo
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Old 10-01-2010, 11:08 AM
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This is not the most telling photo, but the catch can is in the bottom of the pic...
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2008 C6/Z51 Corvette
Old 10-01-2010, 11:41 AM
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Here it is...
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2008 C6/Z51 Corvette
Old 10-01-2010, 11:42 AM
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That looks like half of it, where's the other half! did you buy that or you had it made? that's exactly what I will have to do
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10.76@139-1/4 mile
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I Love to Shine Cars
Old 10-01-2010, 11:50 AM
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That is a GoingSuperFast.Com piece. They cost about $70? shipped. It is worth buying one instead of making it. Hell! It even cleared my 40R without modification!
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2008 C6/Z51 Corvette
Old 10-01-2010, 12:04 PM
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Thanks!!! I been looking for a source for weeks!!!

Well the excitment is over as I dont see them at their website or there ebay store?
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10.76@139-1/4 mile
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Last edited by juan ruiz; 10-01-2010 at 12:22 PM..
Old 10-01-2010, 12:16 PM
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another shot, from your previous build 8-)



(see you 10/15 biatch!)
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Old 10-01-2010, 01:48 PM
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Dammit Paul! That was an Old trade secret!!!
Just kidding- I actually had that setup because my old headers placed the turbo too low for a standard drip tank, so I simply relocated it further down so it wouldnt hang too low (never work right...)

Now that I have the 666 headers, they place the turbo further up physically, thus allowing more room for the drip tank below it...
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2008 C6/Z51 Corvette
Old 10-01-2010, 03:21 PM
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Quote:
Originally Posted by juan ruiz View Post
Well the excitment is over a I dont see them at their website or there ebay store?
nononono- it is part of their header kit, but you can order it separately. Just call them (guy is hard to understand...). They DO sell them though- just call.
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2008 C6/Z51 Corvette
Old 10-01-2010, 03:23 PM
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I believe that Brian (Rarely8) sells the stainless drip tanks as well (I'm pretty sure he gets them from GSF) . . .
Old 10-01-2010, 05:04 PM
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I will call Brian, I dint see them on his website either

krasuskyp

Thats exactly what I want to do, as I have concerns to have mine with that long neck bolted directly to the turbo
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Old 10-01-2010, 05:23 PM
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Quote:
Originally Posted by juan ruiz View Post
krasuskyp

Thats exactly what I want to do, as I have concerns to have mine with that long neck bolted directly to the turbo
Lol, Juan- that is my old setup haha- Paul posted the picture of it from the last meet we had at his house. I tell you right now, it never worked for me- the turbo mounted unit worked like a charm the first time I bolted it to the car.
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2008 C6/Z51 Corvette
Old 10-01-2010, 09:21 PM
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Sorry to take you off track for a moment quattrorunner.


Quote:
Originally Posted by juan ruiz View Post
I'm dealing with a similar scenario draining the oil to the case and I think I may have to install a small oil catch can to avoid the oil coming back to the turbo
So Juan, am I correct in reading that you had enough oil back up in the turbo that it smoked out the tail pipe or got past the compressor shaft seal? Was it ONLY under extreme acceleration during drag runs?

I'm building a gravity drain system on my 993 right now and I'm still concerned that it won't work. When I posted about this a couple months ago I got mixed reviews, some said it worked fine, others said not at all. Nothing clear between them.

Last edited by Jim2; 10-02-2010 at 07:36 AM..
Old 10-01-2010, 09:37 PM
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Brother, I hope you don't feel we Hijacked your thread I think is some good info for all of us

Jim2

I had my drain into the left cam cover, the main problem was that the heat was killing the hosein addition to oil leaks and it was a nightmare to connect and disconnect, but NEVER had any problems, recently I changed the turbo and decided to change the drain system, now is from the turbo to the case ( former drain plug)

First problem

* with 9 qtrs of oil the car was smoking like crazy

* with 7 qtrs of oil it seems OK but I don't want to run that low on oil

* with 7 qtrs of oil if parked at my driveway for a few hours it will smOKe again

In a nutshell I can't stop the thing from smoking and I don't like it one bit, thats why I'm looking at this catch can which I feel will allow me to put more oil and will avoid the smoke ?
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Old 10-02-2010, 05:41 AM
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Brando
 
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No, this is good.
OK, so juan ruiz, will you then get a scavenge pump of some type if /when you get that can? Does it not sit lower than the case making it nessissary to use some type of pump with a can?
Old 10-02-2010, 02:23 PM
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I don't plan to install a pump as I understood I should be ok with this can, I got the materials today and will start to fabricate my own to see how that works

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10.76@139-1/4 mile
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I Love to Shine Cars
Old 10-02-2010, 02:52 PM
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