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Ca valve train stud
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500592 View Drop Down
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Joined: 12 Feb 2013
Location: USA
Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 500592 Quote  Post ReplyReply Direct Link To This Post Topic: Ca valve train stud
    Posted: 14 Jun 2025 at 4:36pm
I’ve got a new to me ca that has a stripped valve train stud on cylinder number 4. Any chance one from a wd head will fit or are new ones available?

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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21560 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 29 minutes ago at 6:34am
If it is the older "short" height WD/WC cylinder head the studs are the same as a CA.

Edited by DrAllis - 22 hours 26 minutes ago at 6:37am
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500592 View Drop Down
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Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 500592 Quote  Post ReplyReply Direct Link To This Post Posted: 17 hours 5 minutes ago at 11:58am
Great! I’ve got a parts wd with the short head so I’ll see if I can get one out of there. Got the tractors to start but noticed one of the studs was stripped so those valves weren’t opening.

What are the chances the hand clutch will come loose if I run it around with tied back? Should I plan to just tear that apart as well?
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PaulB View Drop Down
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Points: 5019 		Post Options Post Options   Thanks (1) Thanks(1)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 16 hours 41 minutes ago at 12:22pm
Just make note that the rearmost Rocker arm stud NEEDS to have the oil groove in it, otherwise NO oil will get to the rockers.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 86494 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 16 hours 37 minutes ago at 12:26pm
What are the chances the hand clutch will come loose if I run it around with tied back? 

somewhere between slim and NONE...
Like them all, but love the "B"s.
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8545 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 15 hours 57 minutes ago at 1:06pm
sounds like there's plenty of moisture in hand clutch department and or lack of lube. pull top cover off and inspect.
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500592 View Drop Down
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Joined: 12 Feb 2013
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Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 500592 Quote  Post ReplyReply Direct Link To This Post Posted: 11 hours 60 minutes ago at 5:03pm
Is it okay to put penetrating oil in/ on that clutch being it is a dry clutch? I’ll make sure to get a rocker arm stud with the groove.

Also on the list is to convert the starter to solenoid and probably replace the ring gear. The starter has a sticker on it like it has been gone through but I think the gear on the starter might need to be done as well it looks a little chewed up.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 86494 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 11 hours 50 minutes ago at 5:13pm
some good reading........
Like them all, but love the "B"s.
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