Th350 Intermediate and Direct Drum Cushion Plates

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Old January 11th, 2016, 09:01 PM
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Th350 Intermediate and Direct Drum Cushion Plates

Tore down a th350 trans and it turns out I'm missing the cushion plates for the direct and forward clutch stacks. Would be glad to take em off your hands. Let me know if we can work something out. Thanks
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Old January 12th, 2016, 05:00 AM
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Th350 Intermediate and Direct Drum Cushion Plates

I have numerous T-350 & T-400 cores. I should have what you need already out. Email me direct: drolds1@bellsouth.net. Thanks, Bob.
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Old January 12th, 2016, 01:42 PM
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Probably left it out to FIRM UP THE SHIFT,

Johnny
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Old January 12th, 2016, 05:34 PM
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Originally Posted by toymobile
Probably left it out to FIRM UP THE SHIFT,

Johnny
Most likely. It didn't have any check ***** either. All but two of the forward clutches are completely SMOKED.
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Old January 13th, 2016, 07:55 AM
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Originally Posted by VinMichael
.....It didn't have any check ***** either.
Are you talking about the check ***** in the valve body or the ones in the drums/pistons?
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Old January 13th, 2016, 04:00 PM
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Originally Posted by ROCKETMAN269V
Are you talking about the check ***** in the valve body or the ones in the drums/pistons?
Valve body. Come to think of it, I am missing 6 springs for the forward clutch piston as well. When I took it apart they weren't all there.
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Old January 14th, 2016, 04:46 AM
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Originally Posted by VinMichael
Valve body. Come to think of it, I am missing 6 springs for the forward clutch piston as well. When I took it apart they weren't all there.
Leaving out some of the springs is not unusual; that makes it shift a little firmer. Not having ANY check ***** in the valve body , not so good. Is it possible that you may have dropped 1 or 2 when you took it apart? Various "shift kits" instruct you to leave out certain check *****; but, I have never seen one that would have you remove all of them. What are your plans for this transmission?
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Old January 14th, 2016, 05:14 AM
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Need one check ball for reverse, other wise will burn a set of clutches??? May be the original problem??

Johnny
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Old January 14th, 2016, 05:41 PM
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Originally Posted by ROCKETMAN269V
Leaving out some of the springs is not unusual; that makes it shift a little firmer. Not having ANY check ***** in the valve body , not so good. Is it possible that you may have dropped 1 or 2 when you took it apart? Various "shift kits" instruct you to leave out certain check *****; but, I have never seen one that would have you remove all of them. What are your plans for this transmission?
I could have dropped checkballs when I took the transmission apart. I even looked around on the ground when I noticed they were missing to verify.

My plans are to rebuild it to replace the Jetaway in my 64 Cutlass. It will go behind a 350 olds and possibly a 455 in the future. I might take it down the drag strip every once and awhile. I am following the instructions in Ron Session's TH350 book, as well as the mods in this link:

http://www.crankshaftcoalition.com/w...0_rebuild_tech


Originally Posted by toymobile
Need one check ball for reverse, other wise will burn a set of clutches??? May be the original problem??

Johnny
All but two of the forward frictions are down to the metal. All other clutches looked decent. I'm not sure what the issue was exactly. The seals on the forward piston seemed pretty hard to me.

Last edited by VinMichael; January 14th, 2016 at 05:50 PM.
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Old January 19th, 2016, 03:11 PM
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Found a forward wave plate. Anybody have a direct drum wave plate?
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