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Joined: Jan 2024
Posts: 89
3
'Bolter
'Bolter
3 Offline
Joined: Jan 2024
Posts: 89
My apologies in advance. I read some posts about this but I sure can't find them now.

The throttle cable linkage seems to interfere with the return of the accelerator linkage. I have to blip the accelerator to get the idle back down.
I read a post about resetting the butterfly disc in the carb body. No help. New OE style return spring. No help. A few other members posted about having the same issue.
Anyone figure it out? Thanks for your thoughts and remedies!


1957 3100, 235 with 4 speed floor shift
Joined: Oct 2021
Posts: 6,910
O
'Bolter
'Bolter
O Offline
Joined: Oct 2021
Posts: 6,910
Have you figured out what's hanging it up?

Next time it sticks, look at the linkage and see if you can tell where or what it is that's causing it to stick. Manually blip the throttle and see what happens when the idle drops.

It shouldn't be too hard to tell when the throttle rod isn't in the home position. It's either rubbing or caught on something or some other portion of the linkage is stuck somewhere. Maybe it's even your gas pedal hanging up on the hole in the floorboard.

My problem was the set screw nut on the manual throttle cable hanging up on the throttle rod.

Last edited by Phak1; 06/06/2024 12:55 AM. Reason: Spelling

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Jan 2002
Posts: 2,842
C
'Bolter
'Bolter
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Joined: Jan 2002
Posts: 2,842
Send us a couple pics if you can't get it resolved.


Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
Joined: Jan 2024
Posts: 89
3
'Bolter
'Bolter
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Joined: Jan 2024
Posts: 89
I will keep hunting.
When the throttle cable inner wire is removed from the linkage, there is no issue.
and, FWIW, I have enclosed some pics. One is a little out of focus. Sorry. Hard angle to get to.
Attachments
20240605_151720.jpg (125.3 KB, 103 downloads)
20240605_152204.jpg (120.08 KB, 103 downloads)
20240605_152048.jpg (120.49 KB, 102 downloads)


1957 3100, 235 with 4 speed floor shift
Joined: Oct 2021
Posts: 6,910
O
'Bolter
'Bolter
O Offline
Joined: Oct 2021
Posts: 6,910
If that's true, it sounds like you might be having the same problem I had.

When it sticks, see if the stop nut is sitting up against the shoulder of that bent looking part on the throttle rod.

That's what mine was doing. I installed this washer to prevent it from doing so.
Attachments
IMG_20211013_165322.jpg (90.3 KB, 100 downloads)


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
Joined: Mar 2010
Posts: 10,298
5
Renaissance Man
Renaissance Man
5 Offline
Joined: Mar 2010
Posts: 10,298
If you remove the throttle cable stop, does it still hang up?


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
Joined: Jan 2024
Posts: 89
3
'Bolter
'Bolter
3 Offline
Joined: Jan 2024
Posts: 89
Thanks for the suggestions. I had never tried it without the stop. I had just removed the inner wire completely and all was good. One thing I did notice yesterday was that the 'tail' of the inner wire was very long and slightly bent. It looked as it could actually hit on the manifold and prevent the linkange from returning all the way. (Stupid oversight???) I snipped it off and went for a cruise this morning and all seemed OK. But I hate to assume anything. I will check the cable stop shortly. Thanks guys!


1957 3100, 235 with 4 speed floor shift
Joined: Jan 2002
Posts: 2,842
C
'Bolter
'Bolter
C Offline
Joined: Jan 2002
Posts: 2,842
Sounds like you got it back up and running. Good that you snipped off the excessive inner wire.


Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
Joined: Mar 2010
Posts: 10,298
5
Renaissance Man
Renaissance Man
5 Offline
Joined: Mar 2010
Posts: 10,298
When you put the stop back on, place it 3/4 to 1" below the throttle lever. It will stay out of the way permanently and won't affect the operation of the hand throttle at all.

Last edited by 52Carl; 06/07/2024 1:21 AM.

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
Joined: Jan 2002
Posts: 2,842
C
'Bolter
'Bolter
C Offline
Joined: Jan 2002
Posts: 2,842
Carl,
Really like that idea. With the amount of possible travel the throttle cable can give you, I wouldn't mine having to pull it an inch or less before it kicks in. It would sure help in preventing the cable stop from interfering with the throttle lever. And since I'll be installing a new throttle cable in the near future......


Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.

Moderated by  Phak1, Woogeroo 

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