| [ Total Views: 3695 | Total Replies: 17 | Thread Id: 102061 ] |
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 55slug
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| posted on May 18th, 2013 at 05:57 AM |
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Dry Sump Plumbing
Hi all, I have been doing a lot of research and am marginally confused, most (non vw) seem to run scavenge side directly to tank, then the feed side
through filter and coolers then into the block. engine>pump>tank>pump>filter>cooler>engine
Was reading on UAC, our US cousins were saying scavenge side... engine>pump>filter>cooler>tank>pump>engine...
Just really wanting to know from those who are running drysumps how you plumbed up. I can see the second one being a lot less plumbing length and
being -12 theres a few bucks in it.
Also tank size ?
Thanks
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HappyDaze
A.k.a.: Greg Mackie
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| posted on May 18th, 2013 at 06:20 AM |
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See if you can buy, borrow, or steal a copy of Carroll Smith's book "Prepare To Win". That's what I used for details of the dry-sump system on my
VW Sports Sedan. It worked fine.
From memory it went.....scavenge pump, filter, cooler, tank, pressure pump. I think the tank held about 6 litres of oil, the rest for de-aeration. A
tall, skinny tank is best.
One thing I found with the dry-sump was the crankcase ran hotter, due to [I presume] lack of oil 'sloshing' around in the case.
Cheers, Greg
I'd rather wear a Beetle out by racing it than by polishing it!
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typethreeking
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| posted on May 18th, 2013 at 06:30 AM |
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I run mine the same as you first said engine, pump, tank, pump, filter, cooler, engine, just check your oil pressure as you may need to run a bypass
at the filter. I ran mine like that for ages with no problems.
[size=6] BEING ASPIRATED FEELS GREAT BUT BEING BLOWN TAKES THING TO A WHOLE NEWLEVEL...[/size].
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Sides
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| posted on May 18th, 2013 at 07:46 AM |
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I run mine like Greg, but can't see any probs really going the other way round providing you have filter between scavenge pump and tank still.
Like Greg said would help de-aeration and also a good safe guard from an engine failure putting metal through the entire system.
Always good idea to run the stock pickup screen too.
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stoker
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| posted on May 18th, 2013 at 08:23 AM |
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my setup has been for the last 11 yrs has been ,
tank-pump-filter-engine -scavenge-tank.
a screen in the sump to get all the chunky bits but no filter on the return to the tank( dont like them there)
if you do run a bearing or do other damage you have to pull the whole oil system out and clean it,
if you run a cooler DONT CLEAN IT,throw it out as they cant be cleaned properly
and for shit sake get a tank that splits in 2 as ally can set like concrete (i know,believe me)
lastly clean all the hoses and fittings, and tear the pump apart and do that as well
how do i know all this, i am a F$#^%@ expert
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HappyDaze
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| posted on May 18th, 2013 at 08:29 AM |
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Pick-up screen is good, Sides....protects your EXPENSIVE pump. You need big everything on the scavenge system [lines, filter, cooler etc.]. I used 2 X
13 row coolers in parallel. Get the oil to the tank QUICKLY. A well designed tank will get rid of the air in the oil.
I'd rather wear a Beetle out by racing it than by polishing it!
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 matberry
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| posted on May 18th, 2013 at 09:13 AM |
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I do it like your second option, my cooler is huge and I feel it can only help with de-airation and it fitted my layout/plumbing better, also it means
all cooler and filter plumbing sees no pressure due to being a return-to-tank.
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fish26
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| posted on May 18th, 2013 at 12:50 PM |
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here's a quick diagram
bitten by the bug..........several times
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whathaveidone
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| posted on May 18th, 2013 at 07:05 PM |
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How many of you actually have 11 liters in your tank??? If not how much??? I notice the drag guys go one way and the circuit guys go the other....Has
this got to do with higher revs for a shorter time?????
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55slug
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| posted on May 19th, 2013 at 10:50 AM |
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I think I'll run engine pump filter coolers tank pump,engine, will simplify and shorten the plumbing a bit. I hear you on the cooler front, new ones
going in.
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HappyDaze
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| posted on May 19th, 2013 at 12:31 PM |
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Sounds good, Sluggo.
Make sure you use a high-flow filter [like the Porsche 911 one], as you must drain the crankcase faster than it can fill.
I'd rather wear a Beetle out by racing it than by polishing it!
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55slug
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| posted on May 22nd, 2013 at 08:02 AM |
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How about the Canton ones, I have a Peterson priming filter holder, and as I am typing this I realised unless that is on the pressure side it wont
work.... Hmmm maybe two filters one on the scavenge and one on the pressure side ?
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RodPenrose
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| posted on May 22nd, 2013 at 09:04 AM |
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Plumbing
Adrian , It is advisable to have the filter in the pressure side of the system and not the scavenge . I have been using mine this way for almost 20
years and have never had a problem . It is also advisable to have a screen before the scavenge side just in case you have a mishap . With the (
Pauter) pump you have , you must use an external pick-up , such as an Autocraft maybe . These pick-ups have the mesh built in to protect the pump .
The idea is to have no restrictions at all on the scavenge return back to the tank . When the system works well enough you will notice that the oil
level in the tank will actually rise when under revs . If this occurs your scavenge is working effectively . Remember the gears in the scavenge side
of the pump are twice the size of the pressure side . You need to return the oil to the tank ASAP , ROD . PS I finally got that other deal worked out
.
More boost + More fuel = More power
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HappyDaze
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| posted on May 22nd, 2013 at 09:11 AM |
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K.I.S.S.....Keep It Simple Slug.
Have a good look at the little oil pump drive tab that fits into the slot at the end of the camshaft, then decide how much work it can do.
I'd rather wear a Beetle out by racing it than by polishing it!
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55slug
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| posted on May 22nd, 2013 at 09:45 AM |
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Its going on this, to much invested to get it wrong !!
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RodPenrose
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| posted on June 16th, 2013 at 12:14 PM |
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Adrian , that is perfect . The pick-up's in the Pauter sumps have an internal screen to protect the pump in the event of a mishap . Did you decide to
put a filter in the pressure side of the system . I also presume that the 1st scavenge chamber has been tee'd for a rocker box outlet . ROD .
More boost + More fuel = More power
1968 Beetle fastest run 8.96 sec @ 161 mph 4th Nov. 2001
2010 New Beetle 8.12 sec on 8th march 2014
http://www.rodpenroseracing.com.au
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55slug
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| posted on June 17th, 2013 at 03:03 PM |
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| Quote: | Originally
posted by RodPenrose
Adrian , that is perfect . The pick-up's in the Pauter sumps have an internal screen to protect the pump in the event of a mishap . Did you decide to
put a filter in the pressure side of the system . I also presume that the 1st scavenge chamber has been tee'd for a rocker box outlet . ROD .
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Yeah T is for rocker area, and yep will run filter and coolers on pressure side.
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humpty
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| posted on June 18th, 2013 at 07:38 PM |
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That's some big gun stuff going on right there.
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