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My TH400 running hotter than before with higher stall and rebuild

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Old 09-18-2007, 09:25 AM
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Default My TH400 running hotter than before with higher stall and rebuild

Well like the title states my 400 bit the dust one afternoon. (busted off some of the ears inside the case). I took it to a local shop and had all the internals rebuilt with some of the red clutches inside a new case. I decided to take the 2500 stall out and put a higher stall in while it was out anyways. I went with a 4000 stall. It also has a reverse manual valve body with a trans brake. The car also has a trans cooler. Now my trans is running a little on the warm side of 180-210. It use to be 160-180. Is this normal operating temp with this high of stall?

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Old 09-18-2007, 11:04 AM
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depending on where your trans cooler is mounted, how big it is, how efficient your converter is and a bunch of other things I would say that it's in the range of safety...
Old 09-18-2007, 11:25 AM
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Your in the range of saftey . The higher stall will make more heat. Remember energy not transfered to the wheels is changed to heat so the futher your RPM are below stall speed the more heat you will make.
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Old 09-18-2007, 11:37 AM
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Ok thanks for the input! What is the hottest the trans should run? Just so i will know when to shut it off!
Old 09-18-2007, 11:39 AM
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230 and you should start thinking to hot and let it cool a bit.
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