Can anyone tell me why it is when I try to free rev my motor the carb has a dead spot (hiccup) in it? It only does it when I try to rev it getting into the pedal all the way. Not when I just tap the throttle. Ive tried different accelerator pump cams, jets, float levels are good...

 

Probably a badly tuned accelerator pump circit in the secondary side if it only does deep into the pedal.



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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

Also, you didn't say what engine it was on. Might just be too large a carb for the motor, and will always have a bog if you don't ease into the secondaries a bit.

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"American made baby. 100% American iron. The muscle among the masses. My hero. Yep, you can take your ergonomically designed, space age, computer controlled, 4 door, cup holding map lighted split double wishbone split fold down retractable cargo covered moon roof piece of transportation and keep it. For I have felt the thunder. And I know the difference!"
JSP Motorsports
ICON Motorsports

 

Its a 355 inch motor ive jetted the carb to 69 primaries 74 secondaries

 

Need more accelerator. Larger squirter.

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'87 Bird 350 .060 over 700R4 + Lots more