alloy or a conventional radiator
Posted: Fri Jul 25, 2008 9:38 pm
what your thoughts on running a alloy radiator for a hj47 landcruiser 2h turbo using it for touring pros and cons other than cost as i can get a radiators made on the cheap 
Outer Limits 4x4 Board
Aussie Hardcore Wheelers
https://outerlimits4x4.com.au/
alloy or a conventional radiator
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Posted: Fri Jul 25, 2008 9:42 pm
If price is not an issue, why not go the Aluiminium rad.
Posted: Fri Jul 25, 2008 10:32 pm
You can have them made so that a standard radiator will fit right in if the ali one fails, good for when you are stuck in the bush and just need a rad to get out..
Try Aussie desert Coolers in Preston, cheap as for ali rads and they will build to your requirements.
I paid $750 for mine, same as a Hilux V6 rad with 2 extra inches of depth for the body lift and with a single 40mm core. Has worked quite well for the last 6 months.
Cheers
Try Aussie desert Coolers in Preston, cheap as for ali rads and they will build to your requirements.
I paid $750 for mine, same as a Hilux V6 rad with 2 extra inches of depth for the body lift and with a single 40mm core. Has worked quite well for the last 6 months.
Cheers
Posted: Fri Jul 25, 2008 11:28 pm
The alloy in theory will transfer the heat better only little thing i could see is maybe the alloy being a little more prone to cracking from vibration this really comes down to the alloy thats being used. i say go for it especialy getting it made for the right price 
Posted: Sun Jul 27, 2008 6:51 pm
Alloy is far superior in cooling capabilities compared to copper/brass.
Just be aware of electrolysis as this can kill your cooling system dead very quickly if left un-noticed. Just get a sparky to check your vehicle for voltage leak to be sure and make sure all electrical items are properly earthed.
I wouldn't be concerned about metal fatigue, 99% of vehicles in the last few years are equipped with alloy rads due to price, weight and efficiency, even 4wds including Landcruisers that are extensively tested in all conditions to the enth degree.
Just be aware of electrolysis as this can kill your cooling system dead very quickly if left un-noticed. Just get a sparky to check your vehicle for voltage leak to be sure and make sure all electrical items are properly earthed.
I wouldn't be concerned about metal fatigue, 99% of vehicles in the last few years are equipped with alloy rads due to price, weight and efficiency, even 4wds including Landcruisers that are extensively tested in all conditions to the enth degree.
Posted: Sun Jul 27, 2008 7:17 pm
Even plastic tanks have been around longer. Off topic a bit Another thing starting to see more now is plastic intake manifolds on carsguzzla wrote:I wouldn't be concerned about metal fatigue, 99% of vehicles in the last few years are equipped with alloy rads due to price, weight and efficiency, even 4wds including Landcruisers that are extensively tested in all conditions to the enth degree.
Posted: Mon Jul 28, 2008 9:03 am
Sorry to rain on your parade but if I had the choice i'd have the Brass one.
I was able to repair mine on the side of the Odnadatta tk all you need is a good souldering iron and a gas torch.
If touring outback is your game then The old tech is the go.
I was able to repair mine on the side of the Odnadatta tk all you need is a good souldering iron and a gas torch.
If touring outback is your game then The old tech is the go.
Posted: Wed Aug 27, 2008 5:44 pm
I agree with Cyrel. I do alot of remote and bush work and it is far easier to repair a brass radiator in the field than alloy, and even if don't know how to fix it youself a half decent mechanic or stationhand will.
Posted: Wed Aug 27, 2008 7:02 pm
Agree with your rest - got anything to justify the above?guzzla wrote:Alloy is far superior in cooling capabilities compared to copper/brass.
Seems to be lots of opinion and I have yet to see facts in this space.
Paul
Posted: Wed Aug 27, 2008 9:02 pm
me3@neuralfibre.com wrote:Agree with your rest - got anything to justify the above?guzzla wrote:Alloy is far superior in cooling capabilities compared to copper/brass.
Seems to be lots of opinion and I have yet to see facts in this space.
Paul
http://www.engineersedge.com/properties_of_metals.htm
Copper is streets ahead of Aluminium. It never ceases to amaze me how widely this urban myth is portrayed with alloy radiators being superior in cooling qualities.
Posted: Wed Aug 27, 2008 9:43 pm
Putting it politely - the thermal conductivity of the intermediate (water - copper - air) material is unliekly to be significantly relevent in STEADY STATE operation. I would suggest that material thickness, internal and external surface areas, water flow rates, air flow resistance etc would all be far more significant.the_quokka wrote:me3@neuralfibre.com wrote:Agree with your rest - got anything to justify the above?guzzla wrote:Alloy is far superior in cooling capabilities compared to copper/brass.
Seems to be lots of opinion and I have yet to see facts in this space.
Paul
http://www.engineersedge.com/properties_of_metals.htm
Copper is streets ahead of Aluminium. It never ceases to amaze me how widely this urban myth is portrayed with alloy radiators being superior in cooling qualities.
So back to copper vs aluminium radiators - anyone seen any performance data?
Paul
Posted: Thu Aug 28, 2008 2:15 pm
Are we talking welded/soldered units or ones pop rivited together?me3@neuralfibre.com wrote: So back to copper vs aluminium radiators - anyone seen any performance data?
Paul
Posted: Thu Aug 28, 2008 8:05 pm
ROFLor ones pop rivited together?
More pop rivets means more cooling, but more weight unfortunately,
and every pop rivet matters.