CK5
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diagnosis help

tecton

1/2 ton status
Joined
Dec 1, 2002
Posts
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Location
WV
ok
86k5
350
headers
elbrock carb, electric choke...bla bla bla

truck starts ok
when it first starts up, sounds like its missing...noticable difference in exhaust sound and the truck shaked to and fro slightly...rev it a time or so and that seems to calm down for the most part

put it in gear...it seems alright, i start up a small incline, and it wants to die...no power...stumbles severely....then dies.

here is a video of the carb from 0 to too loud for me to stand there and control the throttle

Carb Video

when it dies
it wont restart, unless i mash the gas, then it stumbles horribly, have to keep the pedal to the floor and it stumbles around at 2-2.5krpm for a second then flies up to 5k

prob is in the carb no?
vaccume leak?
fuel pump?

im lost

ALSO
when i rev it past 4k or so....and let off the gas, it drops way down, below 500rpm, wants to fumble around there, then i peck the gas a bit and it sits back up at regular idle
 
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