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Fans and oil coolers


JoshT

Well-Known Member
Supporting Member
TRS Banner 2012-2015
Joined
Aug 6, 2007
Messages
5,388
City
Macon/Fort Valley, GA
State - Country
GA - USA
Vehicle Year
1999
Vehicle
Ford Ranger
Engine
5.0
Transmission
Automatic
Total Drop
few inches
Tire Size
~30"
I know this forum isn’t really for engine cooling, but this seems to be the place people are asking.

I’m putting the 5.0 in my Ranger using the 4.0L HD Radiator. I’ve heard some say this radiator worked good and I’ve heard others saying it is borderline. I’m willing to give it a try before I go spending more and tucking a larger radiator under the core support. To the point, I have roughly 2” of clearance between the water pump and radiator. Not enough clearance for the stock clutch fan or very much of an electric puller, it should however be plenty of clearance for a flex fan. The way I’ve read is that I have two options for a fan. Either go shroud less with the largest diameter fan I can fit as close to the radiator as I can safely get it, or get a smaller fan that will fit within the shroud. Which do you think would work better? I’m guessing that I am looking at a 14” fan with shroud or about 18” without. I don’t have a factory shroud that will fit this radiator, but I don’t have a problem buying one if it’ll be the best option.

I’ve heard that adding an oil cooler can help keep engine temps down. I live in GA which gets into the triple digits in the summer, but not usually idling that much during the heat of the day. I’ll also be having AC in the Ranger, and I like cold so I’ll definitely be using it. I want to make sure this engine stays at a comfortable temperature. Since I have to install an adapter and remote mount the oil filter anyway I am half way to an oil cooler install. Would I see enough benefit from a cooler to make it worth the added cost? I was thinking if I got one, to get about the same size as the Explorer Trans Cooler that I’m also swapping in. Does that sound large enough/too large? Should I run electric Auxiliary pusher fan on the coolers? Which side of the filter would the cooler be installed on? I’m guessing downstream side to help keep contaminants from getting trapped and built up inside the cooler. How would I calculate how much additional oil is needed for the system?

I haven’t gotten the truck running yet, so it might not overheat during the dead of summer with the AC going full blast. I am just trying to think of some preventative items that I can do while putting everything together. I figure it’s easier to add the stuff now than break the system open to add it later. I’m looking for input, suggestions, and feedback. Any are welcome, I appreciate all, I may ask questions about some, I’ll try not to argue with you but I won’t promise that I’ll use it.

Yes, I also posted on RPS. There are a lot of good minds that are only in one place or the other. Don't care why (really, I don't care), but like to get the input of both.
 
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