Ok, I'm piecing this together from another forum. Credit to "Gearjammer" ond TDS for all of the work, part numbers, and research in verifying that this works.
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My transmission upgrade has finally been completed. The external filter has been eliminated and my transmission filter, pan and lines are now JOB-2 and later style.
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Reference to flow-restriction, and the part numbers needed:
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A friend of mine is a Master Tech and he did it. He removed a nut on the driver's side of the transmission and screwed in a pressure gauge in the same port that you would stick a probe for a temperature gauge. The flow test is done by loosening the return line and letting the fluid drain into a graduated container for about 15 seconds.
The valve body has been the same since 2005. The front pump was changed with the job-2 changes. Both pumps have the same pressure rating and are interchangeable with each other so that's a non issue.
The part number for the new pan is 8C3Z 7A194 B and lists for $76.65. The gasket number is F6TZ 7A191 A and lists for $29.22. The screen or filter number is 8C3Z 7A098 D and list for $59.02. I'll have to get back to you on the line numbers.
I have no idea how a MAG-HYTEC pan would work with this. I had one on my 99 and 01 but never bothered to put one on my 05 and 08.
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Other info:
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There is one situation where a word of caution is needed. TSB 08-26-4 is about cold weather transmission failure in vehicles built between 05/18/2007 and 11/01/2008. In this instance you only need to worry about the early build transmissions. Pump 9C3Z-7A103-B is installed to correct the situation and it should not be installed if you decide not to change your transmission lines and leave the external filter in place.
I'll make the standard disclaimer at this time. If you do this modification, you do so at your own risk.
The correct part number for the transmission lines are; 8C3Z-7R-081-C and list for $88.25 and 7C32-7R-081-D which list for $56.87. If I had to do it all over again I would not have the lines changed and leave the external filter in place and just change the pan, filter, and gasket. Besides the added expense of the lines, the motor mounts have to be loosened and the front of the motor jacked up a few inches to change the lines.
Flow and pressure tests were performed before and after the filter and pan were installed and before and after when the lines were installed.
Bottom line here is a JOB-1 transmission can be converted to the better filter and deeper pan set up on the later build transmissions.
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Hope this information helps. Again, credit to Gearjammer on TDS. I may do this next time (60k). Not sure what to do about the external filter in this case. I feel it is better for the pump to take it out, but don't feel like going through the hassle of changing the lines. There may be some way to cut the lines and put in plain sections of tube.
It would be nice to have a kit from a vendor. Pan, filter, re-usable gasket, and pieces to remove / blank out the section for the external filter.