I have spent a lot of time and a crapload of money trying different electric fan setups. In the end I discovered if you want the best possible cooling keep the stock stuff. if you have some reason you need electric (for me it was the noise of a mechanical fan) then you simply must get the best...
A properly built D30 will come in just under the cost of a decent d44 and well under the cost of a decent d60 at well under the cost. You will be limited but not very much if you stay with 35's.
I have said many times and I reiterate, the stock setup in God working order is best. That being said, I am running two 12" fans and a 10" fan and it is barely adequate for most uses. If I could stand the noise of the mechanical fan I would go back to that. I am just too freaked out by the noise...
Alright , look people. I am not bullshitting about getting a wounded warrior run together. Even if it's only an afternoon run to the place which shall not be mentioned. We gotta do something. I'm am dirt fuggin poor but I will find a way to provide a seat for a wounded warrior on a run. Let's...