Bus Radiator Issues

lvmci · July 04, 2020, 08:19:27 PM

I've always been told there is a vacumn along the sides of the busses, and that is why the scoops on the radiator screens don't help...

Glennman · July 05, 2020, 10:49:28 AM

I think that adding the oil to air cooler with fan to the transmission is a good start. Does Haden help with that design? Would I install it where the driver's side, side door is? Would I just measure the doorway and order a radiator to fit? I know that is a lot of questions. I'll look at some information on another thread (Scott and Heather?) that I read recently.

6805eagleguy · July 05, 2020, 10:59:36 AM

I'd say get the biggest cooler Hayden makes, that's what I have on the b500, going to be road testing today or tomorrow so I will soon see if it is big enough...

HDA-2305

Glennman · July 05, 2020, 11:40:29 AM

Quote from: 6805eagleguy on July 05, 2020, 10:59:36 AM
I'd say get the biggest cooler Hayden makes, that's what I have on the b500, going to be road testing today or tomorrow so I will soon see if it is big enough...

HDA-2305

Eagleguy, I would really like to hear of your test-drive results! The HDA-2305 is around $275, and is 31"x24"x1.5". I can deal with all that. What fan did you use? Did you build a shroud to catch all the rectangular shape? I could keep the side door, and install this radiator in it after cutting all the inside of it out, keeping the perimeter so that I can still open and close it.

6805eagleguy · July 05, 2020, 06:29:20 PM

Quote from: Glennman on July 05, 2020, 11:40:29 AM
Eagleguy, I would really like to hear of your test-drive results! The HDA-2305 is around $275, and is 31"x24"x1.5". I can deal with all that. What fan did you use? Did you build a shroud to catch all the rectangular shape? I could keep the side door, and install this radiator in it after cutting all the inside of it out, keeping the perimeter so that I can still open and close it.

Glennman, since I have an eagle it is mounted in my radiator stack, air is pulled through it, charge air cooler, then radiator by the engine drive fan.

I do think the Hayden cooler would really reduce heat load on your other system.

I'll let you know the test drive results.

Mason

6805eagleguy · July 19, 2020, 06:43:48 PM

glennman, I know this is a little late, If you see my other post you will know that i had a little trouble getting on the road.

But once we got on the road, everything mechanical ran perfectly, however with the hayden cooler my b500 was actually running too cool. my temp gauge was not quite working correctly, (more little quirks to work out) but i tried to do the oil level check several times on the shift pad and it always said it was too cool which tells me it was below 190 or whatever temp the b500 likes. (maybe more like 220?)

so shortly in the feature i will be installing my thermostat which bypasses the cooler, however i did not have time to install that before we left.

of course air is always going through it because i do not have a fan clutch.

hth, mason

Glennman · July 19, 2020, 07:35:19 PM

That sounds great. I think a "too cool" issue is easier to deal with than a "too hot" issue. I'm still having a time figuring out where to mount the HDA 2305 on my MCI. I'm thinking about inside the engine/transmission compartment will be fine (with a fan), as the heat inside may work to keep things from being "too cool". I really don't have anyplace to mount it where it will face the exterior without losing some engine access. There is a nice area above the passenger tag axel well. I think it will get plenty of air. I will be experimenting for a while I think.

Thanks for the update!

luvrbus · July 19, 2020, 08:37:06 PM

Quote from: 6805eagleguy on July 19, 2020, 06:43:48 PM
glennman, I know this is a little late, If you see my other post you will know that i had a little trouble getting on the road.

But once we got on the road, everything mechanical ran perfectly, however with the hayden cooler my b500 was actually running too cool. my temp gauge was not quite working correctly, (more little quirks to work out) but i tried to do the oil level check several times on the shift pad and it always said it was too cool which tells me it was below 190 or whatever temp the b500 likes. (maybe more like 220?)

so shortly in the feature i will be installing my thermostat which bypasses the cooler, however i did not have time to install that before we left.

of course air is always going through it because i do not have a fan clutch.

hth, mason

The B500 likes 180 to 220F for a operating range they don't like to be cool as you found out the pad will tell you