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jitup
Samba Member
Joined: February 25, 2015
Posts: 29
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 Posted: Fri Apr 10, 2015 8:35 pm Post subject: replace or supplement stock oil cooler? |
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Hello,
Since I already have it, and I am building my engine to 1955.5 cc instead of stock I am interested in hooking up my oil cooler. I was going to pull off and plate over the stock oil cooler and run my external through a thermostat off of my full flow oil pump. I was also going to ditch my dog house fan shroud for and early fan shroud with no heater ports since I'm going with j-tubes.
But then I found this article.....
http://www.geneberg.com/article.php?ArticleID=238
Now I am considering leaving my stock oilcooler and dog house intact, and just adding my external as a secondary with the themostat still. Any real life input? How do I fill my oil cooler? (its mounted on my roof) How do I keep the oil from draining out of the cooler when the engine is off or the therm is shut? I have searched around the web with no real luck. if you have any advice or links it will be greatly appreciated. |
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KrAzY-BaJa
Samba Member
Joined: May 22, 2008
Posts: 1409
Location: Sacramento CA.
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Brian
Samba Moderator
Joined: May 28, 2012
Posts: 8340
Location: Oceanside
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| Posted: Fri Apr 10, 2015 10:57 pm Post subject: |
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Don't roof scoop it
| jitup wrote: |
| I was also going to ditch my dog house fan shroud for and early fan shroud with no heater ports since I'm going with j-tubes. |
Don't do that either. Stick with the stock shroud and plug the heater outlets, that's better than the EMPI or SCAT pos shrouds that don't have cooling veins. Use industrial tins on the J-tubes and you're good to go.
Run the stock doghouse cooler and you'll be fine.
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'69 Bug
'68 Baja Truck
'71 Bug
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Vanapplebomb
Samba Member
Joined: November 03, 2010
Posts: 5410
Location: Holland, MI
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| Posted: Sat Apr 11, 2015 1:44 pm Post subject: |
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| Brian wrote: |
Don't roof scoop it
| jitup wrote: |
| I was also going to ditch my dog house fan shroud for and early fan shroud with no heater ports since I'm going with j-tubes. |
Don't do that either. Stick with the stock shroud and plug the heater outlets, that's better than the EMPI or SCAT pos shrouds that don't have cooling veins. Use industrial tins on the J-tubes and you're good to go.
Run the stock doghouse cooler and you'll be fine. |
X2
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1800 Type 4 Berrien 295
http://www.thesamba.com/vw/forum/viewtopic.php?t=487021 |
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dustymojave
Samba Member
Joined: January 07, 2007
Posts: 5802
Location: Lake LA, Mojave Desert, SoCal
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| Posted: Sun Apr 12, 2015 3:21 pm Post subject: |
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My Baja has a Doghouse cooler and shroud. It also has a cooler mounted under the back window over the louvers. But then that cooler has been there since the mid-70s. It works great.
The doghouse cooler gets air flow whenever the engine is running. But that is only about 1/3 of the engine's oil flow. That's why the oil exiting from the pump cover is called "full-flow". It keeps an engine cool most of the time. Under severe stress, if you need additional cooling, then an external cooler helps. And a thermostat is a good thing to prevent over-cooling.
In your thread on the roof cooler I commented on that subject.
Don't put an oil cooler over the fan intake because that just restricts air flow to the engine and pre-heats the air that gets in.
You know...you COULD put all of these little threads together into one build thread about your whole car.
_________________
Richard
Offroading VW based cars since 1965
Tech Inspection 1963 - 2012 SCCA/SCORE/HDRA/MORE/MDR +
Retired from building Bajas, Fiberglass Buggies and Rails in the Mojave Desert. Also Sprints & Midgets, Dry Lakes, Road Race cars. All types New and Vintage
SoCalBajas Member
Kicked Cancer's A$$...1st and 2nd round...Fight ain't over yet. |
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mattfarmer
Samba Member
Joined: May 10, 2011
Posts: 74
Location: fresno ca
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| Posted: Mon Apr 13, 2015 7:08 am Post subject: |
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I'm glad I saw this post... I've been looking at oil coolers and trying to figure out where I'd like to mount one.
I live in the central valley of Ca, it gets pretty hot and doesn't cool off till late at night, not like where I used to live in southern Ca...
Just to clarify, has anyone run a secondary cooler with their stock dog house cooler? and does it help?? also, if not mounting it on the roof, where would you put it? I was thinking all the way in back of the engine, on the engine cage? |
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Brian
Samba Moderator
Joined: May 28, 2012
Posts: 8340
Location: Oceanside
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| Posted: Mon Apr 13, 2015 8:45 am Post subject: |
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I do in my truck and I never see over 180. But that's a different application.
Have you seen how Mr. Bill did his? He just routed the oil cooler inside the cabin next to the window (which isn't installed)
Putting it towards the back of the car would be interesting. Stick some fins on your pulley to make a little fan for the cooler 
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Wash your hands
'69 Bug
'68 Baja Truck
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dustymojave
Samba Member
Joined: January 07, 2007
Posts: 5802
Location: Lake LA, Mojave Desert, SoCal
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| Posted: Mon Apr 13, 2015 10:17 pm Post subject: |
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| mattfarmer wrote: |
I'm glad I saw this post... I've been looking at oil coolers and trying to figure out where I'd like to mount one.
I live in the central valley of Ca, it gets pretty hot and doesn't cool off till late at night, not like where I used to live in southern Ca...
Just to clarify, has anyone run a secondary cooler with their stock dog house cooler? and does it help?? also, if not mounting it on the roof, where would you put it? I was thinking all the way in back of the engine, on the engine cage? |
I don't recommend mounting a cooler down behind the engine. But mounting one up above the engine on brackets from the hood hinge brackets would work.
_________________
Richard
Offroading VW based cars since 1965
Tech Inspection 1963 - 2012 SCCA/SCORE/HDRA/MORE/MDR +
Retired from building Bajas, Fiberglass Buggies and Rails in the Mojave Desert. Also Sprints & Midgets, Dry Lakes, Road Race cars. All types New and Vintage
SoCalBajas Member
Kicked Cancer's A$$...1st and 2nd round...Fight ain't over yet. |
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mattfarmer
Samba Member
Joined: May 10, 2011
Posts: 74
Location: fresno ca
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| Posted: Wed Apr 15, 2015 8:06 am Post subject: |
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| Right on, thank you! |
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Multi69s
Samba Member
Joined: January 24, 2006
Posts: 5363
Location: Lefty, CA
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| Posted: Wed Apr 15, 2015 11:22 am Post subject: |
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If you running just a little hotter then you would like. Replace the stock cooler with a Type 4 cooler. It is about a third wider, and really helps in the cooling department. You do have to modify the sheet metal bump on the fan house though. I used a cut off wheel and separated the bumped section down the middle and welded in a strip that was about 1/2" wider. It still clears the firewall nicely, and my temps dropped considerably. I also live in CA and the engine is a 2010, and I do not need an external cooler.
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