It looks like I might be better cooling with the new pump ?. maybe the TC is just that much more efficient and is not making so much waste heat. Or maybe it is the new filters ?. Maybe it is that fancy dancy Amsoil ATF4 tha I spent $100 for?. All of the above combined?

The inlet is the temperature from the tranny into the auxillary cooler.
The outletis the temperture from the auxillary cooler to the stock cooler on its way back to the tranny

Test were done on the same roads.
Data was normalized to 85 F ambient. First tests at 85 F, second (new) tests at 80 ambient. (second test data had 5 F added to each data point)
I was doing a lot of WOT up a steep hill for the first half of the test.
Second half of the drive is my city road drive to work .. Stop and go 35-40 mph. Ambient air is high 80s

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06 CRD LTD - Suncoast TC- Shift Kit - Spicer UJ - FRKNLIFT - F37 - Magnaflow - 22.0 City - 24@65MPH - Fumoto F-102 - AUX T Cooler - Tank Lift Pump

Likely it's due to less slippage with the new lo-stall tc - get it to lockup and watch the temps drop.............

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'05 CRD Limited
Pricol EGT, Boost
GDE Hot '11; EDGE Trail switched
SEGR; Provent; Magnaflow;
Suncoast T\C, Transgo Tow'n'Go switch;
Cummins LP module, Fleetguard filter, Filterminder
2.5" Daystar f, OME r; Ranchos; K80767's, Al's lifted uppers
Rubicons, 2.55 Goodyears
Four in a row really makes it go