1973 Holley 1920 Accelerator Pump Question - Stumble Off Idle

I suppose a picture is worth a thousand words! This is a stock image off the internet but mine looks identical. Blue arrow is to the linkage just for reference, green arrow is where my accelerator pump is hooked up. When I move the throttle by hand, it appears to be a decent shot and its as immediate as I can tell by the naked eye.

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