Mounting Stud for Speed Feed Lh2
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4-speed mounting stud nut size?
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In my move I lost the four nuts for mounting the transmission.
Also missing the "fifth" bolt mounting to the frame on the right side.
They're in a box somewhere but I don't want to hunt them down.
Can anybody give me the diameter/tpi on the nuts and bolt and the length on the bolt?
Thanks!
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There should be five studs sticking out of the transmission. They are 3/8X24 and take a 9/16 wrench. Use locknuts and put blue locktite on them.
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Carefully run a 3/8-16 bolt into it. The ones I've had were the coarse thread, but check it. Someone might have changed it to a fine thread.
Bill
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Bill,
It looks like a coarse thread. I likely won't be able to tackle it until middle of next week, but I'll update when I do.
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your teeth may gleem,your eyes my glitter,but you cant bullshit an old bullshitter
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Originally posted by modean View Post
ive seen 5th go 7/16
They've all gone through a lot of hands. As far as I know, they originally had an insert cast in with 3/8-16 threads. Other sizes have probably been put in down the line.
Bill
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Put the fifth one in last, check for any gap that might need a shim.
Jimbo
81 FXB--SapphireComment
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Originally posted by HDRyder View Post
Put the fifth one in last, check for any gap that might need a shim.
Yup! That's what I've been told in the past.
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I got some nice shims @ mcmaster carr
Jimbo
81 FXB--SapphireComment
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I forget the proper way for shimming any gap that might be there.
Don't you torque the other four, then measure the/any gap between the case and the mounting boss on the frame? Then put in a shim that matches that gap?
Like measuring the gap when mounting the engine into the frame?
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If the 5th bolt 'get tight' an the washer is loose.... the bolt is too long. If you 'horse it' you'll blow a hole through the case...
Clarke
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Originally posted by Devils Halfacre View Post
If the 5th bolt 'get tight' an the washer is loose.... the bolt is too long. If you 'horse it' you'll blow a hole through the case...
Oh, I'm gonna measure the depth of the hole before buying a bolt.
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Working...
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Source: https://f88773fdccdd-004278.vbulletin.net/forum/technical/transmission/182468-4-speed-mounting-stud-nut-size
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