rurouni20xx
New Member
- Joined
- Jan 13, 2009
- Messages
- 1,176
- Reaction score
- 0
- Points
- 0
- Location
- natchitoches, la
- Vehicle Year
- 1993
- Make / Model
- Ford
- Engine Size
- 3.0L V6
- Transmission
- Automatic
some engineering i dont agree w/ (plastic cam gears in lawn mowers) and most i do agree w/, from a mechanical fan standpoint the fan area being larger and blowing at speeds up to wot (5500-6000 rpm in this case) far exceeds 2000 rpm and a smaller fan size. the dif here is the number of blades and blade size, smaller efans have more smaller blades that generate a fair amount of air at lower speeds. a mechanical fan having a few less blades but spinning faster and having more blade area generates more airflow overall. the only good thing about an efan is to replace the mechanical fan where room doesnt allow for one or to supplement a mechanical fan by giving the mechanical fan more air to blow, hence a two stage fan arrangement. the reason i was asking about the efan to begin w/ was for clearance issues, not to replace it cuz it cools better, which it does not. sure it drags on the crank some but not as much as you would think, once the fan picks up speed the centrifugal force makes it drag less overall. during the speed pickup it drags some, but not nearly as much as other components such as a/c and power steering. efans are better for front wheel drive cars and low area designs, not full replacements. i was worried about a low area design, but now that ive looked at the area that im working w/ im not worried about space anymore, hence the full efan replacement idea is out. and the stupid water pump eliminators/electric water pumps, sorry not going to risk my engine on an electric motor failure, and they sound like shit for the lamen.