Pusher Fan enough?

I installed a 241 Dodge Hemi in my 1935 Ford Sedan. I didn't have room inside the engine compartment so I used two fans in front, one at top of the rad. and one just below it..Work great for me..I have A/C. I use a mixture of 15% Anti-Freeze, distilled water and Wetter Water..190 degree thermostat..It runs 180, 190 in 110 degree temp...Push it..Push it..Push it..
Duane..

 

From EMP Stewart, http://www.stewartcomponents.com/, a company that specializes in cooling systems for high-performance engines: "In order to increase your cooling systems performance you must maximize both the WATER flow and the AIR flow".

And "The water pump is the heart of the cooling system and flow should always be maximized to reduce temperatures".

And “A common misconception is that if coolant flows too quickly through the system, that it will not have time to cool properly. However the cooling system is a closed loop, so if you are keeping the coolant in the radiator longer to allow it to cool, you are also allowing it to stay in the engine longer, which increases coolant temperatures. Coolant in the engine will actually boil away from critical heat areas within the cooling system if not forced through the cooling system at a sufficiently high velocity. This situation is a common cause of so-called "hot spots", which can lead to failures”.


Check their site for more good info.

 

Here's a Quote from Stewart Components.

"Q3.[FONT=Verdana, Arial, Helvetica, sans-serif] Do I need to run a thermostat and what is the best kind?[/FONT]
A3.[FONT=Verdana, Arial, Helvetica, sans-serif] Most street driven vehicles should use a thermostat and we recommend the Stewart/Robert Shaw hi-performance one that we modify for better cooling."


[/FONT]

 

I have been running a pusher fan only on the big block chevy in the truck you see for my avatar for 13 years. I have never once seen the temp above 200 degrees and that was while sitting in a construction delay for thirty minutes of clutch and throttle feathering. It all depends on how much capacity the radiator has.

 

I didn't mean to say all cars should run sans thermostat. It works for me in my rather odd cooling system, with the radiator and electric water pump located in the rear of the car. I need all the flow I can get, and the fans control the temperature.

But a thermostat does restrict flow; that's what it's designed to do!

 

neither of which the original author of this thread is doing...

chicken or egg?

 

Langan, sorry if I and the other guys veered off on your question. I do run two pushers with a Dakota Digital PAC-2000 controller and it is a smooth setup. The fans cycle on and off to keep the temp in a 5 degree range, and there is a cooldown feature also. And SPAL makes a controller that varies the speed of the fan with water temp. That sounds interesting.