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Old 07-06-2014, 04:42 PM   #1
Procurement_man
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clutch delete plug

Wondering how the metal plug installed. Was it on the inside or outside of firewall? Did it just use sheet metal screws? I'm sure someone knows....
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Old 07-06-2014, 04:46 PM   #2
davepl
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Re: clutch delete plug

I don't even appear to have a hole where a clutch rod -could- come through on my TH400 truck. In that area the firewall is flat but has about 6 pinch welds.
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Old 07-06-2014, 04:48 PM   #3
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Re: clutch delete plug

Never mind, I found this photo in my teardown info. But my clutch linkage opening is completely open, only the jute covers it. I assume that's incorrect.
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Old 07-06-2014, 05:12 PM   #4
FirstOwner69
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Re: clutch delete plug

The earlier trucks, through 70 I believe, used gray plastic plugs on the outside of the firewall. I see you found this thread for them http://67-72chevytrucks.com/vboard/s...d.php?t=535199 . GM later (1971?) switched to metal covers with a rubber backing that screwed on from the outside of the firewalls.

Here's a plug installed on my 69.
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Last edited by FirstOwner69; 07-06-2014 at 05:17 PM.
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Old 07-06-2014, 07:26 PM   #5
JointTech
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Re: clutch delete plug

im in the process of welding mine up. there was a metal cover that screws in from the outside with a rubber gasket.
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