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Re: dual case cooling pump [Re: RobG] #682198 02/13/06 10:07 PM
Joined: Jul 2000
Posts: 1,783
94rodeo Offline OP
Body Damage is Cool
The temp was fairly steady. I think I could have drilled a few more holes, but I really would need to take a better look at it the next time I have it all apart. I have just 2 1/2" holes drilled and then the seals removed. I image the temp would proboably rise higher if I were to go up hill. I just got the pump. It is bigger than expected, about the size of my arb compressor. I hope to get it plumbed in this week and see how well it cools the oil down.

I will also take it out on longer trips with hills and see how high the temp will get without the pump on.

Troy


94 Rodeo
sas'd front dana 44(coil sprung), dual transfer cases (isuzu), tera lows, custom bumpers, winch, arb lockers[url= [url=http://community.webshots.com/user/94rodeo] [url=http://community.webshots.com/user/94rodeo[/url]http://community.webshots.com/user/94rodeo[/url]
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Re: dual case cooling pump [Re: 94rodeo] #682199 03/09/06 09:00 PM
Joined: Jul 2000
Posts: 1,783
94rodeo Offline OP
Body Damage is Cool
Finally got some good numbers for the temp. I ran the rig doen the freeway on a 3 hour trip going up steep hills etc. The temp got as high as 240 on one of the big hills, but stayed around 230 most the time. If I turned the pump on, the temp would drop 5 degrees in about 4 minutes. I think that with the current set up, the pump would not even be needed in most cases. I will see what it does in the summer time.


94 Rodeo
sas'd front dana 44(coil sprung), dual transfer cases (isuzu), tera lows, custom bumpers, winch, arb lockers[url= [url=http://community.webshots.com/user/94rodeo] [url=http://community.webshots.com/user/94rodeo[/url]http://community.webshots.com/user/94rodeo[/url]
Re: dual case cooling pump [Re: 94rodeo] #682200 03/09/06 09:44 PM
Joined: Sep 2000
Posts: 4,277
RobG Offline
Roll Me Over
Troy, what was the ambient temp when doing your test?

-Rob

Re: dual case cooling pump [Re: RobG] #682201 03/09/06 10:11 PM
Joined: Apr 2000
Posts: 7,268
mlclark Offline
Isuzu Moderator
*****
Rob-

I don't think that ambient temp Is going to make much of a difference in this case. Those temps are pretty high, but we are talking about the heat transfer between oil and Al, which is not very good. Then we are talking about transfering heat out of the Al case (thick) to the limited air flow under the rig. Ambient temp, be it 40 or 100 should not really affect this. Thretically, yes, but probably not much in the real world difference.

Troy, if you have it plumbed now, why not add a small cooler. There are some nice 1 or 2 pass PS coolers that are OEM on many rigs. I bet it would make a signifigant difference. I have seen these on the later Ford Rangers, but they will be on others too.

Good Luck,
Michael

Re: dual case cooling pump [Re: mlclark] #682202 03/10/06 01:33 AM
Joined: Oct 2002
Posts: 2,285
CPOM Offline
Body Damage is Cool
What is the guess for max temp until damage? I also agree on a simple inline cooler, man if I spent the money on a pump like that and only got a 5 degree change I would be pissed. You might even be able to wire it on a temp switch / relay.


CHRIS
98 Amigo, 92 Pup

need a pickup 1st gen fuel level sender
Re: dual case cooling pump [Re: CPOM] #682203 03/10/06 02:17 PM
Joined: Sep 2000
Posts: 4,277
RobG Offline
Roll Me Over
I dunno, I'd say I've pushed mine around 250* for prolonged amounts of time. I'm not sure at what temperature the viscoity of oil starts to break down. When I talked to Jerry, he said it was tough to hurt these cases next to starving them of oil.

-Rob

Re: dual case cooling pump [Re: RobG] #682204 03/10/06 06:05 PM
Joined: Jul 2000
Posts: 1,783
94rodeo Offline OP
Body Damage is Cool
The temps were around 60 degrees outside.

There is an in line cooler. The temp only dropped 5 degrees in the short time I had the pump on. It vibrates the fender a lot, so I don't like to turn it on right now. I will have to mount it on the frame, then I can run it for long periods without it bugging me.


94 Rodeo
sas'd front dana 44(coil sprung), dual transfer cases (isuzu), tera lows, custom bumpers, winch, arb lockers[url= [url=http://community.webshots.com/user/94rodeo] [url=http://community.webshots.com/user/94rodeo[/url]http://community.webshots.com/user/94rodeo[/url]
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