XL Trans Pan
Cargo Master
Joined: Sep 2007
Posts: 3,049
Likes: 1
I have not, but all of the ones I've looked at use the stock filter. I'm not sure what you have, but think about using the '08 trans filter if you have a 5R110 and put on a deeper pan. It'd be a cheap mod for a little better filtration.
Fleet Mechanic
Joined: Jun 2006
Posts: 1,589
Likes: 20
Yes, I put on the PML pan. It is a high quality cast aluminum pan that comes with allen head screws for install. It adds 4.5 quarts of additional fluid and uses the OEM filter. Also, you can order the pan with tapped port for a tranny temp sensor.
I cannot say that it lowered my tranny temps since I did not measure them before or after I installed the pan. However, normally when you add fliud capacity the temps should go down a little.
IMHO and from past experience, I believe it is money well spent.
Here is the web site: YourCovers.com Ford TorqShift Deep Transmission Pan
DSMMH
I cannot say that it lowered my tranny temps since I did not measure them before or after I installed the pan. However, normally when you add fliud capacity the temps should go down a little.
IMHO and from past experience, I believe it is money well spent.
Here is the web site: YourCovers.com Ford TorqShift Deep Transmission Pan
DSMMH
More Turbo
Joined: Nov 2004
Posts: 577
Likes: 12
From: Cumming, Iowa
Another happy PML customer here.
Did not notice any diff in trans temps on the pickup, but on the motorhome it ran 20deg cooler . I have the temp sensor in to pan with both stock & PML pan ( the stock pan was kinda tight getting the probe in) the PML pan had a flat machined area thet i just drilled & tapped for the sensor it is on the pax side so it looks kinda goofy but it works.....
Did not notice any diff in trans temps on the pickup, but on the motorhome it ran 20deg cooler . I have the temp sensor in to pan with both stock & PML pan ( the stock pan was kinda tight getting the probe in) the PML pan had a flat machined area thet i just drilled & tapped for the sensor it is on the pax side so it looks kinda goofy but it works.....
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
I'm not a tranny expert but in my opinion a larger pan with more fluid will take longer to come up to temp but will not run any cooler except maybe on short trips cause the fluid hasn't had time to stabilize. Conversely a larger pan with more fluid will also take longer to cool down. A larger pan does not equate to a larger radiator where you have air flowing thru it as a cooling agent.
Fleet Mechanic
Joined: Jun 2006
Posts: 1,589
Likes: 20
I'm not a tranny expert but in my opinion a larger pan with more fluid will take longer to come up to temp but will not run any cooler except maybe on short trips cause the fluid hasn't had time to stabilize. Conversely a larger pan with more fluid will also take longer to cool down. A larger pan does not equate to a larger radiator where you have air flowing thru it as a cooling agent.
DSMMH
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 26
From: Middle Tn.
The cooled fluid returning from the heat exchanger goes directly back to the pan. Therefore, the pan acts as a resevoir for the cooled fluid to enter the tranny. With the PML pan you have an additional 4.5 quarts of cooled fluid available for the tranny to use. Also, the PML pan is made of aluminum which disipates heat better then steel.
DSMMH
DSMMH
It's your theory, maybe Mark Kovalsky will join in and give a tranny engineers prospective on this.
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Postmaster
Joined: Nov 2005
Posts: 3,168
Likes: 10
From: San Ramon Ca.
Way back when I heard (or was told) that a deep pan just provided a place for more hot tranny fluid. Of course that was over 30 years ago. I ignored that advice then as I would now. A deeper finned aluminum pan certainly cools better than a stock steel pan. But allot of folks put them on just because it looks cool along with the better cooling. Those PML pans look pretty good. I hadn't heard of those. I was looking at the Mag-Hytec since I already have the differential covers.
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,738
Likes: 2,668
From: SE Florida
I can't see how a bigger pan will cool the trans any better. You don't want better heat transfer because the pan is in an area with HOT air. Why do you want to transfer more heat into the fluid? It doesn't make sense.
Actually the pan can't transfer much heat either in or out. The fluid is stagnant against the wall of the pan with either the stock pan or a larger pan. Stagnant fluid won't transfer heat, so not much happens.
If you like the way a larger pan looks, go for it. If you want to cool the trans your money would be much better spent on a better cooler.
Actually the pan can't transfer much heat either in or out. The fluid is stagnant against the wall of the pan with either the stock pan or a larger pan. Stagnant fluid won't transfer heat, so not much happens.
If you like the way a larger pan looks, go for it. If you want to cool the trans your money would be much better spent on a better cooler.
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