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Old July 17th, 2006, 05:17 PM   #1
jroymcd
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Default cooling

so my car is running hot.

the previous owner cut the engine shelfs out of the side of the motor. how much do you think it would effect the cooling system.

you can see the ground on the sides of the motor

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Old July 17th, 2006, 05:26 PM   #2
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Default Re: cooling

you mean the engine tins that surround the motor and keep the hot air from coming up into the engine bay?

A LOT!
buy some replacements and screw them in. without them you have the hot engine air coming up into the intake and the cooling air doesn't flow over the heads right.
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Old July 17th, 2006, 05:29 PM   #3
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Default Re: cooling

Hot air rises,so you end up trying to cool the motor with hotter air.
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Old July 17th, 2006, 05:29 PM   #4
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Default Re: cooling

worse, its kinda like the engine tins but they are welded to the sides of the engine compatment.
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Old July 17th, 2006, 05:31 PM   #5
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Default Re: cooling

those will keep the hot air down on the rd when driving, without them the hot air from the rd will just flow up , and the fan is blowing hot air instead of cooler(yeah right) from the vents on top.
Are your heater vents(the holes on the shroud where the flew hoses come out) are they plugged off? cuz that will force more air thru the tins and over the cyls.
And I had a power pulley like yours on mine, it ran hot too. That smaller diameter made a difference, fan doesn't turn as fast.
just what i see.
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Old July 17th, 2006, 05:38 PM   #6
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Default Re: cooling

if your talking about the ones atached to the rear horn area that seals with the head metal then i would beleive it would cause problems due to resirculating hot air and improper original air movement.i could be wrong.
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Old July 17th, 2006, 05:39 PM   #7
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Default Re: cooling

heater vents also seem to be open. should i take to hosses of and plug them.
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Old July 17th, 2006, 05:41 PM   #8
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Default Re: cooling

these were cut out

http://www.wolfsburgwest.com/cart/De...?ID=111813165A
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Old July 17th, 2006, 05:49 PM   #9
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Default Re: cooling

Like the others said, you want to seal the top of the engine from the bottom to prevent the hot air around the exhaust from rising up and being used to try and cool the engine. Either buy the ones you posted, find some in a bone yard you can cut out and weld in, or just fabricate something. Remember though you need some kind of soft seal bewteen the body and the engine to allow it to move due to vibration and torque.

Getting rid of the power pulley will help.

So will getting rid of the chrome tins. Black is best for these applications...just like from the factory.

I would also recommend relocating the plastic fuel filter to along side the trans. Where you have it is just a disaster waiting to happen....especially with a overly hot engine.
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Old July 17th, 2006, 05:51 PM   #10
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Default Re: cooling

Check you timing too. Too advanced can cause over heating also. I strongly suspect it is the lack of seal between the upper and lower half of the engine that is your main problem however.
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Old July 17th, 2006, 05:54 PM   #11
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Default Re: cooling

i was also thinking i should run a different air cleaner. with that one the breather is not hooked up
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Old July 17th, 2006, 05:56 PM   #12
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Default Re: cooling

oops, yeah the tins are obviously there sorry. those should help, plus the rubber seal that goes between the engine and body

edit: I don't think the breather is a problem...it's just a smog thing right? you could just put a filter on the breather i believe. or i could be way wrong and someone will correct me.

The thing you do lose with that filter is no warm air for cold starts, but in Cali I doubt it's a big problem for you
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Old July 17th, 2006, 05:59 PM   #13
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Default Re: cooling

Quote:
Originally Posted by jroymcd
heater vents also seem to be open. should i take to hosses of and plug them.
John caught some more good points too. the chrome.

As for those holes, disconnect the hoses, use something the size of the hole, those screw in rubber plugs or like me, baby food jars, plugging off the holes during summer will force the air thru the tins over the fins of the cyls pushing that hotter air down. (put hoses back if you want just for looks) But with out those side plates and the cyl tins fitting in the engine seal, it won't really make much difference,. The fan will still be pulling hot rd air. The whole system is designed logically. As youre driving, the hot air is pushed down and forced back while fresh air is pulled in from above.
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edit: I don't think the breather is a problem...it's just a smog thing right? you could just put a filter on the breather i believe. or i could be way wrong and someone will correct me.

All this does is take engine vapors which sometimes have oil mist, and run it back thru the carb. Sometimes just makes an oily mess of your filter. There is a breather box that can be mounted on the back, side, where ever and will hold the oil from this. I think its available by most, hubby has the one by bugpack.
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Originally Posted by fishguts
My attraction to volksrods is that these are bottom-feeders where things are still real ... people scraping together parts, doing their own work and often on a tight budget. Real hot rodding is still alive here.
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Old July 17th, 2006, 07:09 PM   #14
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Default Re: cooling

someone suggested using deck lid stand offs til i get around to installing the new sides. will this really help?
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Old July 17th, 2006, 07:58 PM   #15
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Default Re: cooling

James, instead of spending the $130 that Wolfsburg West wants for those repro ones, just make something up at work and spot weld or screw them in. Even if it is not a perfect seal, it will still be 99% better than it is now.

Oh and I don't think the pulley on there is a power pulley, it is just a degreed stock size one.
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Old July 17th, 2006, 08:38 PM   #16
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Default Re: cooling

Deck lid stand offs will help but only when the car is moving. As soon as you stop at a light or something where you are sitting at idle the fan is sucking all the hot air from below the engine. I'll be running chrome tin on my new motor in the oval only because it's what I have. I read an article some where (don't remember where) about a direct comparison test between chrome and black painted tin. The engine temps where within half a degree of each other so I really don't think it's a problem. I always ran it in my '68 and the only overheating problem I ever had was when the firewall tarboard came loose and got sucked into the fan!


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Old July 18th, 2006, 09:20 AM   #17
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Default Re: cooling

Steppin' way outside my knowledge zone here, but wouldn't it be better yet to have a duct take air from outside the car directly into the fan shroud at its standard opening?

Even with all the stock tin in place, the fan still gets its air from the top of a hot engine . . . . I've seen a racing 914 with a 8" galvanized hvac duct from the front of the car all the way back to the impeller (that may be overkill, but you get the idea),
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Old July 18th, 2006, 09:27 AM   #18
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Default Re: cooling

"Cut the whole rearend off" that should cool it a bit !

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Old July 18th, 2006, 11:30 AM   #19
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Default Re: cooling

I say the back of the car off......... That's much quicker than trying to seal off the motor My Baja never gets hot.........
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Old July 18th, 2006, 11:45 AM   #20
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Default Re: cooling

Quote:
Originally Posted by tequilla
I say the back of the car off......... That's much quicker than trying to seal off the motor My Baja never gets hot.........
Ill get on that right now
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Old July 19th, 2006, 08:23 PM   #21
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Default Re: cooling

anbody got pictures that show the engine shelfs with the motor in.im going to make repair panels. just want to see how it is supposed to look.
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Old July 20th, 2006, 03:51 AM   #22
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Default Re: cooling

I got a 60's car like yours outback, unfortunately , engine still stuffed in there.a couple without, but a mid 70's. If you think they would help, I'll go grab some of it.

get some cardboard , prefereably some a lil thin, it'll be flexible and you can handle it in and out while you trim it to fit. It should get you really close to a good fit .

EDIT~ geez I'm totally asleep~ just saw, engine in! will get some for you...........

driv side

pass side


hope that helps
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Quote:
Originally Posted by fishguts
My attraction to volksrods is that these are bottom-feeders where things are still real ... people scraping together parts, doing their own work and often on a tight budget. Real hot rodding is still alive here.

Last edited by purplemyth; July 20th, 2006 at 04:14 AM.
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Old July 20th, 2006, 06:59 AM   #23
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Default Re: cooling

so it sits up above the tins a little then the engine seal fits in between the two.
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Old July 20th, 2006, 09:07 AM   #24
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Default Re: cooling

It appears to be butted even with the tin that goes around the engine, I can try to get an underside shot if it will help?
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My attraction to volksrods is that these are bottom-feeders where things are still real ... people scraping together parts, doing their own work and often on a tight budget. Real hot rodding is still alive here.
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Old August 2nd, 2006, 08:04 PM   #25
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Default Re: cooling

ok so i got it back together. ive noticed my rear apron gets kinda hot. is this normal?
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