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Go Back   ClassicBroncos.com Forums > 66-77 Ford Bronco > Bronco Tech

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Old 03/16/19, 11:47 AM   #1
broncojack
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67 carb spring bracket?

I have a '67 289 and need to know if there was a bracket for the second spring that goes back to the throttle linkage.
The manual says there is but the other picture shows how it was hooked up when I bought it.
Thanks Jack
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File Type: jpg IMG_20190316_121153714.jpg (118.2 KB, 27 views)
File Type: jpg IMG_20190316_121141222.jpg (108.2 KB, 34 views)

1976 Sport Bronco
1974 Ranger
1971 Baja Bronco
2 1967 Sport Bronco's U15 & U14
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Old 03/16/19, 12:40 PM   #2
B RON CO
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Hi, the way the spring is hooked up will work.
The rear spring really pulls the lever on the bellcrank, and doesn't really pull the throttle shaft.
The picture from the manual shows a different throttle shaft, with a small spring hole.
My 2100 from a 66 Mustang has a different linkage.
So you may have a replacement carb.
I see a couple of things to look at:
The choke is closed, but the idle adjustment screw looks like it is touching the throttle shaft lever. Maybe your high idle needs to be raised.
It looks like the pcv hose is not pushed all the way on to the port under the carb.
#7 and 8 spark plug wires should be separated in the loom. Ford ran 7 in front of the plastic holder and 8 in back to minimize cross firing, because the cylinders fire next to each other in the firing order.
66 Mustang carb.
Good luck
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Old Today, 03:01 PM   #3
broncojack
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Quote:
Originally Posted by B RON CO View Post
Hi, the way the spring is hooked up will work.
The rear spring really pulls the lever on the bellcrank, and doesn't really pull the throttle shaft.
The picture from the manual shows a different throttle shaft, with a small spring hole.
My 2100 from a 66 Mustang has a different linkage.
So you may have a replacement carb.
I see a couple of things to look at:
The choke is closed, but the idle adjustment screw looks like it is touching the throttle shaft lever. Maybe your high idle needs to be raised.
It looks like the pcv hose is not pushed all the way on to the port under the carb.
#7 and 8 spark plug wires should be separated in the loom. Ford ran 7 in front of the plastic holder and 8 in back to minimize cross firing, because the cylinders fire next to each other in the firing order.
66 Mustang carb.
Good luck
I checked out the spacer PCV plate. It was from a 79 302 which had a larger pcv area. There also was a leak under the plate where it met the 67 manifold.
Thanks for the help

1976 Sport Bronco
1974 Ranger
1971 Baja Bronco
2 1967 Sport Bronco's U15 & U14
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Old Today, 07:43 PM   #4
thegreatjustino
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There should be an L shaped bracket that bolts to the back carburetor stud.

Here are photos of my bone stock '67 with both springs and the original carb.
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File Type: jpg IMG_1485.jpg (112.0 KB, 1 views)
File Type: jpg IMG_1486.jpg (96.1 KB, 1 views)
File Type: jpg IMG_1487.jpg (120.6 KB, 1 views)

'When my Bronco is finished' is only a hypothetical statement.
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