Transmission cooler-Input?
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Joined: Mar 2012
Posts: 10,590
Likes: 382
From: Texas
Transmission cooler-Input?
I am looking at the B&M 70268 Super Cooler. I pull our Travel Trailer, which clocks in on the CAT Scales at 10,200. What say you guys and what are you using? I can't afford the 6.0 cooler at the moment and definitely need to replace the crappy stock power steering size cooler. So, good, bad, or indifferent, lemme hear what you have and what you think. I am ordering sometime today. Thanks!
Posting Guru
Joined: Nov 2011
Posts: 1,664
Likes: 4
From: Southern AZ
There is one that a lot of people use... it's very efficient and fits really nicely behind the bumper holes... brb....
Richard
EDT:Its the Tru-cool 4739, there are a couple of write-ups on the install somewhere.
Richard
EDT:Its the Tru-cool 4739, there are a couple of write-ups on the install somewhere.
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Joined: Mar 2012
Posts: 10,590
Likes: 382
From: Texas
Thanks guys. Unfortunately, that one was a little out of my price range, so hopefully the B&M I ordered will do ok. It is rated at 14,000 lbs towing and 29,900 BTU or something like that. Anything is better than that original crappy thing.
Laughing Gas
Joined: Sep 2013
Posts: 1,031
Likes: 13
Sometimes I think the hard lines on these trucks are too small.
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Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
How does yours do in traffic when towing? I have the 4739 and a triple disk converter. When its unlocked towing in traffic I sometimes get 225* out of it. Never over 230* though. To be honest, it climbs a bit (190*-195*) when I am unloaded doing 70 mph too.
Sometimes I think the hard lines on these trucks are too small.
Sometimes I think the hard lines on these trucks are too small.
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Laughing Gas
Joined: Sep 2013
Posts: 1,031
Likes: 13
That's the hottest I've ever seen it. I have a triple disc racer x converter too. Are you using the radiator as part of the trans cooling yet? You should be. Have you checked for any restrictions in it if you are? I don't think the stock hard lines are a problem, at least in my experiences.
Cargo Master
Joined: Dec 2011
Posts: 2,750
Likes: 4
From: Pecatonica, IL
I don't know what cooler is in mine but its a monster! Its like 12inchesx13inches and an inch wide. That trans never breaks a sweat. I have never seen above 180, and I looked my radiator cooler is bypassed.
I'm curious to see where my sending unit is. Whoever put the gauges in looks like they did them all right, pyro is where it should be, boost is in the map tube, and trans is in the side I believe. And they are autometer gauges so they should be good an accurate.
I'm curious to see where my sending unit is. Whoever put the gauges in looks like they did them all right, pyro is where it should be, boost is in the map tube, and trans is in the side I believe. And they are autometer gauges so they should be good an accurate.
FOREIGN GURU
Joined: Jul 2006
Posts: 7,655
Likes: 7
From: Celaya, Gto. MX
I also run the Tru-Cool and Im happy with it.
Glenn, did JW made any comment about change the lines? good or bad?.
IIRC Mark Kowalsky dont recommend that. 
I don't know what cooler is in mine but its a monster! Its like 12inchesx13inches and an inch wide. That trans never breaks a sweat. I have never seen above 180, and I looked my radiator cooler is bypassed.
I'm curious to see where my sending unit is. Whoever put the gauges in looks like they did them all right, pyro is where it should be, boost is in the map tube, and trans is in the side I believe. And they are autometer gauges so they should be good an accurate.
I'm curious to see where my sending unit is. Whoever put the gauges in looks like they did them all right, pyro is where it should be, boost is in the map tube, and trans is in the side I believe. And they are autometer gauges so they should be good an accurate.
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,695
Likes: 2,616
From: SE Florida
I don't recommend bypassing the radiator. It is a very effective cooler. If you want to cool the transmission, why remove an excellent cooler?
We can debate all day long if it is necessary or not. Ford changed to 3/8" lines with the 4R100 and then 1/2" lines with the TorqShift. Both changes were made to improve the flow rate, which improves cooling.
We can debate all day long if it is necessary or not. Ford changed to 3/8" lines with the 4R100 and then 1/2" lines with the TorqShift. Both changes were made to improve the flow rate, which improves cooling.
Cargo Master
Joined: Dec 2011
Posts: 2,750
Likes: 4
From: Pecatonica, IL
Always great information Mark! Thanks. I'll see about getting that back in the loop. I agree with you, not sure why it was bypassed. It was done before I bought the truck so no clue how long its been that way.