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-   -   Fans and pulleys (http://www.toyota-supra.info/forums/mkiv-supra/20524-fans-and-pulleys.html)

fastsupra 05-10-2012 01:57 PM

Fans and pulleys
 
I have been looking and was wondering if I would benefit at all from upgrading my pulleys and fans on my supra. I tried researching the pulleys and fans but all I can find is hit and miss stuff like you should switch out fans when upgrading to a single and it will cool the engine more. With the pulleys I have read that they reduce the rotating mass which will mean around ~10whp.
Any insight into this?

Unorthodox pulleys or greddy
http://www.mvpmotorsports.com/Templa...204&SearchYN=N

AAP Dual fans
http://www.mvpmotorsports.com/Templa...201&SearchYN=N

pwpanas 05-11-2012 12:25 PM

Quote:

Originally Posted by fastsupra (Post 102850)
I have been looking and was wondering if I would benefit at all from upgrading my pulleys and fans on my supra. I tried researching the pulleys and fans but all I can find is hit and miss stuff like you should switch out fans when upgrading to a single and it will cool the engine more. With the pulleys I have read that they reduce the rotating mass which will mean around ~10whp.
Any insight into this?

Unorthodox pulleys or greddy
http://www.mvpmotorsports.com/Templa...204&SearchYN=N

AAP Dual fans
http://www.mvpmotorsports.com/Templa...201&SearchYN=N

Aftermarket pullies could provide a small hp gain (eg. 5hp - 10hp). This is most critical on engines that can't produce a lot of power to begin with (eg. Honda :) ), or if you're going for a particular configuration (eg. BPU+++++ - trying to max output of the oem twins).

Then AAP fans look great and give you more space in the engine bay. They also allow you to see the expensive, shiny aftermarket pullies you put in. :) However, they do not outperform the oem clutch fan - especially when roadracing in hot weather.

fastsupra 05-11-2012 02:57 PM

Ok thanks for the info, is there a set of fans that would outperform the oem fans?

pwpanas 05-11-2012 07:19 PM

Quote:

Originally Posted by fastsupra (Post 102880)
Ok thanks for the info, is there a set of fans that would outperform the oem fans?

No. The belt-driven oem clutch fan is equivalent or superior to all electric fans.

fastsupra 06-05-2012 01:32 PM

Quote:

Originally Posted by pwpanas (Post 102884)
No. The belt-driven oem clutch fan is equivalent or superior to all electric fans.

What electric fans would be equivalent to the the oem clutch fan then? I want to find a good set of fans so I can show off my new pulleys :)

pwpanas 06-06-2012 05:50 AM

Quote:

Originally Posted by fastsupra (Post 103199)
What electric fans would be equivalent to the the oem clutch fan then? I want to find a good set of fans so I can show off my new pulleys :)

The best ones I've heard of is a kit sold by ARD (formerly AAP):
http://www.mvpmotorsports.com/Templa...201&SearchYN=N


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