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Old 06-27-2018, 01:21 PM   #1
philB
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Question TH400 info

have a TH400 in my 67 c10 2wd w/350, want to add a trans temp and pressure gauge and not sure where to look for proper access to add a fitting. Is the cooler line ok or somewhere else on trans case.
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Old 06-27-2018, 11:26 PM   #2
Captainfab
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Re: TH400 info

In the past, I've welded a bung in the pan for a temp gauge. You just have to be sure there is no interference issues.
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Old 06-27-2018, 11:39 PM   #3
philB
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Thumbs up Re: TH400 info

thanks for the reply, i was thinking about putting a tee fitting in the cooler line to the radiator, the temp sensor is a 3/8" thread and not too long, try different
fittings to keep the sensor not too much in the flow, not sure if this will be OK
for good temp readings.
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Old 06-28-2018, 07:20 AM   #4
cadillac_al
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Re: TH400 info

My B&M trans temp gauge came with the fitting for the cooling line. It was very simple.
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Old 06-28-2018, 08:27 AM   #5
philB
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Thumbs up Re: TH400 info

thanks for the info, i'll look it up, next on the list is a good transmission rebuilder
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Old 06-28-2018, 11:06 PM   #6
Captainfab
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Re: TH400 info

If you put the sender in the cooling line, make sure it is in the line coming from the trans and not going back to the trans.
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Old 06-29-2018, 12:02 AM   #7
philB
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Thumbs up Re: TH400 info

will do, thanks , think the top line is out, waiting for parts to get here from mail order
Jegs, using their led gauges etc.
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