Transmission Cooler Observations
09-09-2002, 10:46 PM
#1
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Transmission Cooler Observations
This weekend I replaced the cooling lines on my 700R4 and decided to do an experiment. I connected the stock in-rad cooler alone and went for a drive around town. The fluid temperature in the pan reached about 210 F pretty quickly and stayed there. I returned home and connected the auxiliary cooler inline after the factory cooler. It's some kind of small, cheap 4-pass copper and aluminum thing in front of the rad, nothing fancy. I went for the same drive but this time the fluid only got up to about 160 F, and cooled back down to around 150 F when I got back on the highway.
09-10-2002, 10:20 AM
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That's sweet. It brings up an urgent question: I just bought a Griffon radiator without the tranny cooler by mistake, and it should be here today. Do you think I can keep the radiator and run an external one only, or should I send it back?
09-10-2002, 11:19 AM
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Car: 1987 Camaro Z-28
Engine: 6.3L Victor EFI
Transmission: Tremec TKO 600
Axle/Gears: Moser 9"/4.11 Trac-Lok
I would just run the largest external cooler you can fit.
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