Screen to simulate oil cooler

modok · Posted: Tue Feb 24, 2015 6:56 pm Post subject:

because we're hotrodders! If it can't be bolted together we'll MAKE it fit Very Happy

Does it work?? lets find out.

But the idea is to make stuff work better, of course.

JPro62 · Posted: Wed Feb 25, 2015 10:31 am Post subject:

Joel, my motor came out of a sandrail and is going into a full body sedan. Just trying to make it correct, not hacking up an already stock set-up.
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1962 Beetle
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mark tucker · Posted: Wed Feb 25, 2015 10:56 am Post subject:

so...how much power was the acvw made to put out??? and we are getting how much out of them??? and vw put 48 ida's on witch model? and vw made a 2332 when? vw added a turbo to the acvw when?? basturdize??? that'sup to you.I do my stuff corectly and it works corectly with no issues. you need to be smarter than what your working on....unless it's the internet.

morymob · Posted: Wed Feb 25, 2015 12:57 pm Post subject:

U just made my day, well said thar govenor.

[email protected] · Posted: Wed Feb 25, 2015 1:40 pm Post subject:

If you are going to omit the stock cooler, then use a doghouse shroud and fan, which is designed to not have a cooler in the way. Then just block off the cooler duct in the shroud.

It's a big mistake to remove the stock cooler in a non-doghouse shroud. The cooler is a big restriction, AND straightens the airflow to the 3/4 side. If you remove the stock non-DH cooler the 3/4 side gets too much air and the 1/2 doesn't get enough.

Worst case plug the case, but then bolt the stock cooler in place, even though it won't be used. At least the air flow will be normal.
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JPro62 · Posted: Wed Feb 25, 2015 5:35 pm Post subject:

John, your comments are along the lines of my original question. If removing the oil cooler disturbs the flow, couldn't the balance be restored by installing a screen in the oil cooler location with the similar surface area as the cooler?
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1962 Beetle
1974 Super Beetle (Sold)

[email protected] · Posted: Wed Feb 25, 2015 7:18 pm Post subject:

why try to simulate the cooler when you can just use the cooler?
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JPro62 · Posted: Wed Feb 25, 2015 7:34 pm Post subject:

I was trying to avoid buying one. I'll just buy one now and do it right or maybe go as far as getting a doghouse shroud and blocking the cooler area like you suggested.
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1962 Beetle
1974 Super Beetle (Sold)

modok · Posted: Wed Feb 25, 2015 9:29 pm Post subject:

But why a screen? Why not... a piece of wood, or a tennis ball or two, or a little plastic buddah, all far better air flow characteristics than a screen.

Joel · Posted: Wed Feb 25, 2015 10:51 pm Post subject:

JPro62 · Posted: Thu Feb 26, 2015 4:00 am Post subject:

SoCalJes · Posted: Thu Feb 26, 2015 4:43 am Post subject:

There is no way you are going to get a "Screen" to flow air like the vanes in an oil cooler. Plug the ports on the block and I'm pretty sure you can get a busted leaking oil cooler (that is not going to flow any oil) for the same price as some chicken wire. Wink

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Jesse
71 Ghia
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Just because it didn't come that way, doesn't mean it shouldn't have.

TinCanFab · Posted: Thu Feb 26, 2015 8:17 am Post subject:

mark tucker · Posted: Thu Feb 26, 2015 8:55 am Post subject:

the 1/2 side has no finnage.on either setup. they are seperated by a lower and upper baffel/vane.I dont think all the air will go to the 3/4 side , as the air is coming out of the fan all the time it is spining where the openings are.1 side should not affect the other side unless the baffels are removed and both side connected . yes you will be better off using the dogystyle shroud. It would be nice to see a dyno cht reading for the non dh sh both ways.I doubt the 1/2 side will change more the 10-20 degrees.if at all. but I could be rong as I have been 8 times now.
the vanes on the 3/4 side keep the air directed,so it dosent "stackup" toward the top where it cant go any where but will hurt the flow. the 1/2 side cant do that. you could fab up a cooler replacement finnage thingy if you wished.probably just a few finns would be good to get the air going to the left to the other fins that are already there.instead of stacking tward the top due to the fins not being there to direct the are coming off the baldes.but a screan aint it.I should be easy&fast to do.just be sure it's sturdy, you dont ant nothing wadding up the fan. If you do use a old cooler I would remove every other or every other 2 "fins" so it straightens the air but dosent restrict the air.

[email protected] · Posted: Thu Feb 26, 2015 9:08 am Post subject:

It does Mark, visualize how the air exits the fan blades. The air doesn't go straight out.

Over 10 years ago Jake Raby learned this in depth when he was developing the DTM.
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It's just advice, do whatever you want with it!

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mark tucker · Posted: Thu Feb 26, 2015 9:19 am Post subject:

yes I know,but it should not affect the 1/2 side. it should have something there but a screan aint it. old shrouds should be cheep, hell a new one is cheep.

Juanito84 · Posted: Fri Feb 27, 2015 12:01 am Post subject:

When I first got my bug it had a Scat shroud. I soon found out that Scat shrouds don't provide enough cooling even for a stock engine when you live in the mountains. These are probably fine for flat landers who don't have to use full throttle for 10 minutes climbing a mountain. So I got a VW doghouse with a venturi ring. Much better!

Speaking of Gene Berg, I like his idea about oil coolers. If you're going to use an external oil cooler, keep the stock one and have two!
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If a water cooled engine cools its water with air, isn't it just an overcomplicated air cooled engine?

Jake Raby · Posted: Sun Mar 01, 2015 9:41 am Post subject:

The oil cooler plays a critical role in balancing the partitioned air within the upper plenums of the engine. This will vary based on the shroud thats used, as some have differences in the cooler cavity that can provide more, or less air to the oil cooler housing.

Everything matters. After spending years on this topic I still didn't learn it all.
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Raby Engine Development
www.rabyenginedevelopment.com
"I've never given anyone Hell, I just told them the truth and they thought it was Hell"


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