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21-10-2006, 03:46 PM
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XR8 M8
Join Date: Aug 2006
Posts: 218
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hey guys, i was just wondering would replacing the twin plastic fans with say the aluminium 6 blade fans dramatically increase air flow and performance, or would it make not much difference?
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21-10-2006, 06:26 PM
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XR8 M8
Join Date: Aug 2006
Posts: 218
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lol i didn't relize i asked such a hard question :P 20 views and still noone has an idea. cheers
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The King of the jungle doesn't whistle.. he roars!
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21-10-2006, 06:53 PM
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#3 | |||
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Formally Kia Chaser
Join Date: May 2005
Location: Newcastle
Posts: 2,493
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Quote:
Airflow from any fan depends on the angle that the blades and fitted at. The 6 blade aluminium fan blades may be at a less angle then the stock fans, which would decrease cooling effiency, and this is not taking into account at what rate the fans spin at The material that the fan is made of would mean jack, unless you are compressing air, in which case it would be a turbine, not a fan. The fact that metal (aluminium) will hold heat easier over the plastic used in the normal radiator fans, means that as air passes the aluminium blades, it would be more warm, then air passing plastic baldes. IMHO - It would not be worth it, as it would make next to no difference, unless your current fans needed replacing, in which case, I could see why you would want to replace it. Hope that helps - 
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Kia Grand Carnival (2006) Silver, Grill Mesh, Tints, Sidesteps (with lights), Towbar, 7" Touch Screen DVD Tuner with intergrated GPS & Bluetooth, Roof Mounted Flip Down 15.1" LCD Screen, Reverse Camera - 184Kw HSV Clubsport R8 VY (2003) Black, 6sp Manual, Coulson Seats, Red on black interior, Pacemaker extractors, Twin 2.5" exhaust, Custom Red 20" VE GTS Rims, Custom Red Stitching
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21-10-2006, 08:02 PM
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#4 | ||
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XR8 M8
Join Date: Aug 2006
Posts: 218
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i wasn't referring to HP when i said performance i meant the performance of the fans and the job it does
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The King of the jungle doesn't whistle.. he roars!
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21-10-2006, 06:56 PM
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#5 | ||
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FF.Com.Au Hardcore
 
Join Date: Dec 2004
Posts: 12,083
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They are electric fans... effectively they draw no HP from the engine anyhow. On, off, different blades, makes no HP difference. Only change will be cooling efficiency and the plastic ones are more than capable.
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Older, wiser, poorer. Now in Euro-Trash. VW Coupe V6 4motion.
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21-10-2006, 07:59 PM
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#6 | ||
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XR8 M8
Join Date: Aug 2006
Posts: 218
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ohkk thanks for clearing that up for me guys, i remember a mate of mine talking about it and i too didnt take it that serious, but when i looked up a few items on ebay and other sites saying its dramtically increases this and that i was just curious and wanted to follow it up and ask you guys about it
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The King of the jungle doesn't whistle.. he roars!
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22-10-2006, 03:32 AM
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#7 | ||
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they call me Tibbo
Join Date: Dec 2004
Location: Brisbane
Posts: 6,163
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it is the design of the shroud that makes the cooling system efficient.. You could perhaps get alumium blades made to replace the plastic frisbie but the fan set-up is short and stumpy with an outer ring anyhows so you wouldn't do diddly to the effectiveness
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22-10-2006, 03:20 PM
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Moderator
  
Join Date: Feb 2005
Location: Kenthurst
Posts: 40,403
 
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^^^^^^^^^
Exactly. If the shroud is not deisnged for the fan it will lose efficiency. You can have massive fans installed ... but without the right shroud for the fans and radiator ... it'd be a waste of time and money. I have seen additional thermos fitted in front of condensors and intercoolers to good affect ... make sure the airflow is the right way around though
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22-10-2006, 06:30 PM
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#9 | ||
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XR8 M8
Join Date: Aug 2006
Posts: 218
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thanks for the additional info
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The King of the jungle doesn't whistle.. he roars!
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replacing plastic fan
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