[ZLRob]

Originally Posted by SOCAL.M6.ZLE

I agree with you 100%... but even when i park with IAT.3's at 120-130... when I re-start 30-60 min later and they are over 160, it makes me think that if the fans stayed on for 10 min at 50% or so, it would help radiate the heat underhood faster....

I can't imagine that running the fans at 50% for 10min would hurt anything, or drain the battery to a level that would not re-start.

I don't know enough of the numbers to do the math myself...
Battery Ah capacity vs minimum CCA needed to start and the Ah useage of the fan at 50%...

I have seen the numbers for this fan in the past as far as amperage draw goes. If I remember correctly 100% was 70 amps, meaning 50% duty would equal 35 amps. Running that for 5 to 10 minutes would be a bit taxing for the battery unless upgraded. I would think that running this thing at around 33% duty for 5-10 minutes would be a good medium ground and you still get some decent airflow moving all that heat away. It would only draw 23 amps (techincally 23.45 amps) and would have to run for a lot longer than 10 minutes to drain a 60ah battery.

All this being said, however, I have no idea what the specs on the trunk mounted battery in our cars is so I currently have nothing further to add or contribute until I get that information.