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Vacuum Modulator THM-400

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Old Mar 24, 2010 | 04:46 PM
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Default Vacuum Modulator THM-400

Anyone know of a source for an original style {N.O.S.} vacuum modulator for a THM-400 [1971 SB coupe]? I've put a 'generic' replacement part in for the time being...but would like to get a proper part [GM P/N 8623365] for it.
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Old Mar 24, 2010 | 08:46 PM
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Originally Posted by 7T1vette
Anyone know of a source for an original style {N.O.S.} vacuum modulator for a THM-400 [1971 SB coupe]? I've put a 'generic' replacement part in for the time being...but would like to get a proper part [GM P/N 8623365] for it.
I cross referenced one from a truck. Maybe you can find a nos with the truck resto crowd?
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Old Mar 24, 2010 | 09:04 PM
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I get my trans parts from these guys- Maybe call and talk to Corky or Bob.

A & Reds Transmission
2000 Indiana Ave
Kansas City, MO 64127
(816) 483-7337

Are you looking for a NOS part for originality? Just asking.
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Old Mar 24, 2010 | 09:14 PM
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Yes. I have a nearly all-original '71 coupe & would like to keep it that way. Thanks for the tip...
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Old Mar 25, 2010 | 03:04 PM
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Back to "square one".... I called "A & Red's" per Tim's suggestion (both branches), and no one knows where to get an 'original' style modulator. So...still open for suggestions.
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