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why do the secondaries appear? “stuck“?

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Old Dec 23, 2025 | 12:48 PM
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Default why do the secondaries appear? “stuck“?

Not a carburetor guru by any stretch, but it seems strange that if I take the throttle linkage and crank it fully open, it’s stuck in that position with my hands off it until I release it manually.. is there something I don’t understand?
Holley 6210-2
is there something I don’t understand?


Last edited by rgouette; Dec 23, 2025 at 06:31 PM.
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Old Dec 23, 2025 | 04:57 PM
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Hello,
Too obvious??
Are the return spring (s) properly installed?
Regards....

Can't see your photo?

Have you checked to see if the linkage is catching or binding when it's cycled?

Q-Jet

Last edited by Alan 71; Dec 23, 2025 at 05:09 PM.
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Old Dec 23, 2025 | 06:32 PM
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Originally Posted by Alan 71
Hello,
Too obvious??
Are the return spring (s) properly installed?
Regards....
Can't see your photo?
Have you checked to see if the linkage is catching or binding when it's cycled?
Q-Jet
Hoping the image is there now...
It's sitting on my bench
~R
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Old Dec 23, 2025 | 06:46 PM
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Hello,
The Holley 6210 is a direct replacement for a Q-jet.
Have you looked at the 6210 Installation instructions?
Something there might give you a hint.
Regards.....
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Old Dec 23, 2025 | 06:53 PM
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Originally Posted by Alan 71
Hello,
The Holley 6210 is a direct replacement for a Q-jet.
Have you looked at the 6210 Installation instructions?
Something there might give you a hint.
Regards.....
yeah, it’s of course geared toward putting it onto a manifold, so didn’t see anything, but I’ll take another look: thx
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Old Dec 23, 2025 | 08:29 PM
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The return spring can be clearly seen on the driver's side of the carburetor on the secondary throttle shaft.
Since you have the primary side also wide open the secondary will be wide open.
You can disconnect the linkage rod to see which side, primary or secondary is the problem.
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