Pusher fan for an S4
02-19-2011, 12:33 AM
#31
Race Car
475hp/460lb.ft
02-19-2011, 12:42 AM
#32
Drifting
Thread Starter
02-19-2011, 12:43 AM
#33
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Something that's kind of easy to overlook if you don't know about it is the seal behind the thermostat. The ones in some cars have been in pretty bad condition. That can have an effect on the efficiency of the cooling system. If you haven't already done so, I'd suggest replacing the stock thermostat with one of the 75C ones, and replacing that seal behind it.
02-19-2011, 01:58 AM
#34
Three Wheelin'
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Yep,
Summer 95 - 100 degree traffic is a problem. I have tried 3 different fan setups, 2 NEW radiators and still with the AC on in stopped traffic its difficult to keep the temp under control. AC off no problem.
I currently run a brand new stock Behr Rad, with a 16" Zirgo Ultra HP fan. ZFU16S I believe is the model number. It cost about 225.00.
I thought I would get more air flow with the 2 9" fans, but it did not work out that way. The fan I got now is rated at around 3600cfm and seems to be my best solution so far..
Summer 95 - 100 degree traffic is a problem. I have tried 3 different fan setups, 2 NEW radiators and still with the AC on in stopped traffic its difficult to keep the temp under control. AC off no problem.
I currently run a brand new stock Behr Rad, with a 16" Zirgo Ultra HP fan. ZFU16S I believe is the model number. It cost about 225.00.
I thought I would get more air flow with the 2 9" fans, but it did not work out that way. The fan I got now is rated at around 3600cfm and seems to be my best solution so far..
02-19-2011, 10:44 AM
#35
Burning Brakes
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02-19-2011, 10:46 AM
#36
Burning Brakes
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Something that's kind of easy to overlook if you don't know about it is the seal behind the thermostat. The ones in some cars have been in pretty bad condition. That can have an effect on the efficiency of the cooling system. If you haven't already done so, I'd suggest replacing the stock thermostat with one of the 75C ones, and replacing that seal behind it.
Thanks
02-19-2011, 03:14 PM
#37
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This was one of the main advantages that Carl pointed out for the Raptor setup... less obstruction of cooling airflow.
02-19-2011, 04:00 PM
#38
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What I mean is, looking at the picture of the airbox here:
http://www.murf928.com/forum/downloa...a32df08aad80f3
It really looks like a less boxy adapter would be possible so that the air box wasn't blocking off so much of the radiator. Or, since the air intake at the top is removed, to run an air intake box up, rather than down, and bring the hose around the side from there. That would probably cut in half the radiator surface obstructed.
http://www.murf928.com/forum/downloa...a32df08aad80f3
It really looks like a less boxy adapter would be possible so that the air box wasn't blocking off so much of the radiator. Or, since the air intake at the top is removed, to run an air intake box up, rather than down, and bring the hose around the side from there. That would probably cut in half the radiator surface obstructed.
08-29-2013, 10:32 AM
#39
Rennlist Member
In light of Carl's recent cooling tips thread, I'm curious if anyone has added a pusher fan to a non-boosted S4, and if so, what kind of results did you enjoy? I'm not boosted, yet, but I'm going to be running some high RPMs on the track and that also generates a lot of heat. Planning to yank out the slats behind the front bumper tomorrow (time permitting), and I thought this would be better use of the space.
08-29-2013, 10:43 AM
#40
Drifting
I could be wrong, but my understanding is the fans are really for stopped and slow speed. Once past X MPH, the ram air effect dominates the equation. I'd estimate X to be somewhere around 30 to 40 mph.
08-29-2013, 10:46 AM
#41
Rennlist Member
Good point. Though perhaps this could help with cooldown in between runs? Of course so could a big fan parked in front of the car running off a generator! Tis an option... Carl's race coolers also look pretty, well, cool.
08-29-2013, 10:54 AM
#42
In light of Carl's recent cooling tips thread, I'm curious if anyone has added a pusher fan to a non-boosted S4, and if so, what kind of results did you enjoy? I'm not boosted, yet, but I'm going to be running some high RPMs on the track and that also generates a lot of heat. Planning to yank out the slats behind the front bumper tomorrow (time permitting), and I thought this would be better use of the space.
I've not done an automatic S4 yet but its on my list of things to do, due to the trans cooler and the smaller condenser the fan used on the 5-speed wont' work.
08-29-2013, 11:25 AM
#43
Drifting
Absolutely nothing wrong with adding a pusher fan and would recommend getting the most CFM that fits. Imre found one on Summit Racing I believe that was like 3K or more:
http://www.summitracing.com/search/d...ication/pusher
