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Old 02-15-2014, 04:41 PM
RamAir's Avatar
RamAir RamAir is offline
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Default THM 400 trans

I need a o-ring seal for my original '72 THM 400 modulator and I'm looking for a source.

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Old 02-15-2014, 06:18 PM
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2manyT/A'S 2manyT/A'S is offline
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Probably as close as your local industrial supply house or hardware store....if you have a sample in hand....

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Old 02-16-2014, 12:01 AM
transam1972 transam1972 is offline
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Default O RING FOR MODULATOR

I have my modulator off if you need a measurement...I remember the early 80s when Maddona wore large O rings on her wrist as bracelets...I was in a night club and some girl was recreating that look...I asked her how much each bracelet cost her, she said a dollar...I told her she could get them cheaper if she went to a Hardware store...

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Old 02-16-2014, 08:52 AM
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I was able to source one on-line...

http://coanracing.com/

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Old 02-17-2014, 03:15 PM
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Lloyd-TX Lloyd-TX is offline
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ANY transmission rebuilder will have a zillion of them.

Same size modulator fit TH350, TH400, and etc.

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