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Old 05-04-2018, 12:22 PM   #29
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Originally Posted by Waipio Rim View Post
Please keep us posted, this looks pretty good to me.
I called them to verify some dimensions, and I think it should be a good fit.
I ordered one at 9:30AM today and I have a tracking number at 11AM. Hopefully it will be here early next week.
I need to be on the road next Friday afternoon for a run up a long hill with my 4 wheeler in tow. That run usually puts my temp gauge above 240 on a 70 deg day. If it is 85 and sunny like today, it will be a good stress test.
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Old 05-04-2018, 03:50 PM   #30
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The "New" aluminum core radiators do kool better in a smaller package than the old copper/brass radiators . In most instances the tubes in the aluminum radiator are 1 inch wide or larger versus the 1/4 inch to 3/8 inch wide tubes for a copper/brass radiator.

Although aluminum is naturally not as good as copper when it comes to thermal heat transfer the ability to make the aluminum radiator with much larger tubes than is possible with a copper/brass radiator is the key factor that results in better heat transfer. This manufacturing change makes a big difference in the surface area required for more efficient thermal heat transfer or in simple terms better cooling performance. As such a modern aluminum core radiator can be much thinner than a copper/brass radiator and achieve the same or greater cooling efficiency. Given the wider cooling tubes in the aluminum radiator they are also much less prone to clogging up than a copper/brass radiator. Personally I have never had a modern radiator leak from a failure in the aluminum core. Generally the commonly used plastic side tanks fail long before the aluminum radiator core.

Early on a lot of aftermarket racing/high end aluminum radiators with aluminum tanks used epoxy to assemble the cooling tubes to the radiator core. Ron Davis Racing Radiators comes to mind. Bad idea that did not work that well. It's been 10+ years since I have seen an epoxy aluminum radiator so this should not be a problem.

Mishimoto and Champion Radiator both make a good product if you are looking for a larger aftermarket aluminum radiator. Some times you will find an OEM direct replacement aluminum radiator that's labeled as Heavy Duty cooling (HD). Generally they will have 2 large aluminum cooling tubes and as such will be a thicker radiator that looks more like the copper/brass radiator of old. You will never have cooling issues if you use one of these upgrades if available and the rest of your cooling system parts are in good condition.

Always remember to replace the hoses, clamps, thermostat, water pump and make double sure you get a NEW CORRECT RADIATOR CAP for your application. Given the newer modern cooling system designs that may mean a trip to the dealer for a NEW OEM correct radiator cap.

Yes the radiator cap can be that important in today's modern cooling systems. The wrong radiator cap can easily cause an overheating issue given the complexity of some modern radiator cap designs.
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Old 05-08-2018, 11:04 AM   #31
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I'm very interested in this product, please keep us posted with photos, ease of fitting and performance once you are up and running.

many thanks
Nick
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Old 05-08-2018, 01:41 PM   #32
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Originally Posted by WayneG View Post
I called them to verify some dimensions, and I think it should be a good fit.
I ordered one at 9:30AM today and I have a tracking number at 11AM. Hopefully it will be here early next week.
I need to be on the road next Friday afternoon for a run up a long hill with my 4 wheeler in tow. That run usually puts my temp gauge above 240 on a 70 deg day. If it is 85 and sunny like today, it will be a good stress test.
Wayne - not sure if my 91 has the same radiator, but I think the core width may be different to mine, so I am struggling to understand how the fans would all connect. I shall look at some pictures tonight and try and get my head round it.
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Old 05-08-2018, 06:42 PM   #33
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I am not sure of the 91, this diagram has the dimensions taken from my original radiator.


The radiator arrived today, lets say I had to go get it from the UPS terminal because the local drive "Forgot" to put it on his truck. I dont buy it, I think someone trashed the box and nobody wanted responsibility. This is how the box looked when I got it from UPS:


I firmly believe that if you put something on the outside of a box claiming it is a breakable item, the gorilla handlers will do their best to break it!
And whatever they threw at it went through 2 boxes and bubble wrap!
And dinged the radiator:


A closer look only shows a slightly crushed tube. I will contact the seller tomorrow to see what they want to do, but I only have 2 days to get this back together and tested.
I have more photos and some preliminary comments about the radiator on this link:
http://theouterlimits.ws/projects/ai...periorRadiator
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Old 05-09-2018, 03:36 PM   #34
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I talked to Superior Radiator, they did not think the ding will be a problem.
I started the install at noon and I am mostly done at 5.
I had to change one heater hose from 5/8 to 3/4 at the radiator, so now I need to reduce the size back to 5/8.
I also need to find a new way to mount the electric fan. If you use the normal plastic ties through the core, it voids the warranty. I need to make a frame.
I have not had time or energy to upload more photos yet, maybe tomorrow after the rain starts
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Old 05-09-2018, 03:54 PM   #35
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Quick favour Wayne. Could you measure the dimensions of that box it came in? Assuming you have retained it? Ta Nick
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Old 05-09-2018, 04:57 PM   #36
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Quick favour Wayne. Could you measure the dimensions of that box it came in? Assuming you have retained it? Ta Nick
Always save the box
Outer box is 25x8x36
Inner box is 24x6x36
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Old 05-09-2018, 05:24 PM   #37
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Always save the box
Outer box is 25x8x36
Inner box is 24x6x36
Nick, those dimensions aren't in millimeters
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Old 05-09-2018, 05:33 PM   #38
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Nick, those dimensions aren't in millimeters
Yes they are as long as you multiply them by the secret code 25.4
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Old 05-10-2018, 03:03 PM   #39
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The installation is complete and functional. No leaks so far, but it has just been idling in the yard, A real test will be tomorrow on a 25 mile run that is all uphill. Another run through the Catskills on the following weekend with Family in tow will also test its endurance.

To get the job finished for this run, I made a temp mount for the electric fan. That will need to be done properly whet I am back from this run.

I will do a proper write up when I get some time, but I think, with a few tweaks, will work fine in a Classic Airstream Motorhome.

So far the major issues are either capping the 3/4" heater nipple on the radiator, or using it and plugging the 5/8" port on the water pump.

Another issue is the top & bottom of the side tanks go all the way to the ridge where the rubber saddles go. To get my radiator framework to bolt back together, I used a ratchet strap around the frame to squeeze the saddles enough to get the frame bolts installed. It was not a lot of force, but it was not going to happen without some force.



I need to rework my drawings also.
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Old 05-10-2018, 03:42 PM   #40
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Always save the box
Outer box is 25x8x36
Inner box is 24x6x36
thanks
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Old 05-11-2018, 05:31 AM   #41
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The installation is complete and functional. No leaks so far, but it has just been idling in the yard, A real test will be tomorrow on a 25 mile run that is all uphill. Another run through the Catskills on the following weekend with Family in tow will also test its endurance.

To get the job finished for this run, I made a temp mount for the electric fan. That will need to be done properly whet I am back from this run.

I will do a proper write up when I get some time, but I think, with a few tweaks, will work fine in a Classic Airstream Motorhome.

So far the major issues are either capping the 3/4" heater nipple on the radiator, or using it and plugging the 5/8" port on the water pump.

Another issue is the top & bottom of the side tanks go all the way to the ridge where the rubber saddles go. To get my radiator framework to bolt back together, I used a ratchet strap around the frame to squeeze the saddles enough to get the frame bolts installed. It was not a lot of force, but it was not going to happen without some force.



I need to rework my drawings also.
Looks great!
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Old 05-11-2018, 06:01 AM   #42
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Looks like your going to beat the problem.

I have a question as I see an electric fan. Does this setup have a standard fan? Is there also a clutch on the fan that could be bad?
Is the electric fan a supplement or have you thought about a better dual fan setup that would cover more of the radiator?


https://www.flex-a-lite.com/electric-fans.html


https://www.northernfactory.com/HIGH...IC_FAN_SHROUDS
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