Novak Conversions Jeep Wrangler TJ engine mounts

Setrab 53-10748 vs Setrab dual pass

dirtycoyotelj

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Hey guys, I have question between two setrab transmission coolers. Could the setrab dual pass be used so that both in and out ports would be located on the driver's side instead of running one line along the bottom of the fan shroud, like when using the 53-10748 cooler?

TIA for input.​

 
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Hey guys, I have question between two setrab transmission cooler. Could the dual pass be used so that both in and out ports would be located on the driver's side instead of running one line along the bottom of the fan shroud, like when using the 53-10748 cooler?

TIA for input.​


That is not how the 53-10748 is configured. What you see is what you get.
Screenshot_20240718_160532_Amazon Shopping.jpg


I don't know what the Dual Pass is, but a picture would show where the ports are.
 
This is the dual pass. It puts both ports on the same side. I was trying to see if anyone has run this instead of having to route the transmission line all the way to the right side. I thought it might be easier with both on the left side or maybe it makes it harder as one line would be pretty short?
 
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This is the dual pass. It puts both ports on the same side. I was trying to see if anyone has run this instead of having to route the transmission line all the way to the right side. I thought it might be easier with both on the left side or maybe it makes it harder as one line would be pretty short?

The argument for in/out on the opposing corners is to make the fluid spend as much time inside the exchanger and cover as much area within the exchanger as possible to exchange as much heat as possible. If you agree with this argument, then you figure out how to build it that way.
 
This is the dual pass. It puts both ports on the same side. I was trying to see if anyone has run this instead of having to route the transmission line all the way to the right side. I thought it might be easier with both on the left side or maybe it makes it harder as one line would be pretty short?
The right side is the easier of the two sides to get the lines out of grill and down to below the fan shroud. The left side on a LHD rig has the steering gear in the way so it makes it much harder to get both lines out of that side. But, using the dual pass with the lines on the right side would or should be pretty easy.

I would be interested to hear how well the dual pass works.
 
The argument for in/out on the opposing corners is to make the fluid spend as much time inside the exchanger and cover as much area within the exchanger as possible to exchange as much heat as possible. If you agree with this argument, then you figure out how to build it that way.

Yep I completely understand how it works. In the dual pass the fluid would pass down and back so it would spend ample time in the cooler. These coolers are expensive so I was trying to see if anyone had any experience with the dual pass and routing the hoses on the same side. Maybe it makes for a simpler cleaner install or maybe it's harder to hook up the line from the radiator to the cooler due to a shorter distance?
 
The right side is the easier of the two sides to get the lines out of grill and down to below the fan shroud. The left side on a LHD rig has the steering gear in the way so it makes it much harder to get both lines out of that side. But, using the dual pass with the lines on the right side would or should be pretty easy.

I would be interested to hear how well the dual pass works.

Thank you for the input. I can't find a btu rating for the dual pass so I emailed setrab to see how it compares to the 53-10748. Once they reply I will make my decision. I know my transmission has gotten as hot as 237F so definitely time for a cooler and gauge.
 
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Did you end up using this cooler? The drivers side is a pain. Not sure if you'll have trouble fitting both fittings/lines on the same side.
 
What makes that cooler so freaking expensive? The Hayden I have lowered my temps by like 40-60F, and I know others here have high praise for the Derale. What makes this thing so special?
 
What makes that cooler so freaking expensive? The Hayden I have lowered my temps by like 40-60F, and I know others here have high praise for the Derale. What makes this thing so special?

The high praise for the Derale is coming from one source multiplied through groupies.

It cuts on and off. It’s loud and annoying. And without a temperature gauge nobody knows what it’s really doing.
 
What makes that cooler so freaking expensive? The Hayden I have lowered my temps by like 40-60F, and I know others here have high praise for the Derale. What makes this thing so special?

It’s race car parts. Way over kill for a lot of people, but it fits nicely behind the grill, leaves room for Power steering cooler, and it’s really high quality.
 
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What makes that cooler so freaking expensive? The Hayden I have lowered my temps by like 40-60F, and I know others here have high praise for the Derale. What makes this thing so special?

In your world, not much. You can cool a 32 with most anything and get that much of a temp drop. In our world, the 42RLE runs way hot. It will get up to 240-250 degrees F when you're working it hard. Our challenge is finding a cooler that uses as much space in the grill as possible with as much front to back depth as will fit and still allow room above it for a steering cooler because it sucks to overheat 2 grand in steering parts.

This is also a radiator style cooler which is a stellar way to build a heat exchanger. If you doubt that, look at how the factory builds radiators and the factory heater core.

What makes it special is it works perfectly, fits within the space requirements and solves a big problem that we've been unable to solve any other way. If you don't have the problem, then you really don't need the solution.
 
The high praise for the Derale is coming from one source multiplied through groupies.

It cuts on and off. It’s loud and annoying. And without a temperature gauge nobody knows what it’s really doing.

Yeah, that's very likely a single source validation. I don't really like anything about the underbody install, switched fan, etc. I'm not sure how it got "popular" but then again maybe I do. But I guess this thread is about something totally different anyway.
 
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Yeah, that's very likely a single source validation. I don't really like anything about the underbody install, switched fan, etc. I'm not sure how it got "popular" but then again maybe I do. But I guess this thread is about something totally different anyway.
I have used and installed several of the under tub Derale fan driven trans coolers. I am not a fan of the noise, the wiring, or the extra length in the cooling lines to and from. They do work reasonably well, not as well as the Setrab in the grill on the highway, they do work better crawling slow but there again, you aren't working the trans as hard crawling slow.

I am still to this day astounded that it was as highly recommended as it was with no temp gauge to tell anyone how well it was or was not working. The level of ignorance and blind following of that advice still grates to this day.
 
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with no temp gauge to tell anyone how well it was or was not working

I purposely put the cooler in last, after the rebuild, just so I could know the before/after. On the other hand, XJ Buddy was keen to point out that I was only worried about the temperature because I had a gauge. I mean, he isn't completely wrong; before I had the gauge I didn't ever worry about the temp. I guess ignorance is bliss. That said, if I had to pick one or the other, I guess I'd opt for the cooler and hope it was enough to keep the temps down over choosing the gauge and potentially watching it shoot up thinking "why didn't I opt for the cooler?"
 
I purposely put the cooler in last, after the rebuild, just so I could know the before/after. On the other hand, XJ Buddy was keen to point out that I was only worried about the temperature because I had a gauge. I mean, he isn't completely wrong; before I had the gauge I didn't ever worry about the temp. I guess ignorance is bliss. That said, if I had to pick one or the other, I guess I'd opt for the cooler and hope it was enough to keep the temps down over choosing the gauge and potentially watching it shoot up thinking "why didn't I opt for the cooler?"

I rarely choose ignorance. I always put the gauge in first because it also doubles as a diagnostic tool. I find it a bit odd that the owner of a rig that has one of the hotter running transmissions out there would say something like that though.

The other part of that ignorance is the 42 tends to run about 230-240 once you put it on bigger tires. If you had a gauge on it from stock, there's some benefit to knowing when to toss a cooler on. I ran one on my stock 04, it never got hot enough to add a cooler.
 
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