Chevrolet 350 1976 c10

Asked by Guru55C1 Mar 26, 2017 at 11:11 AM about the 1976 Chevrolet C/K 10 Custom Deluxe RWD

Question type: Maintenance & Repair

I just puf a new 350 in and put my old quadra jet on
it was running ok but not good so i cleaned the
carb and now it starts up good and what not but
when i go and drive it down the road it just wants
to stay running like your giving it gas and it wont
every stop i have to shut it off or the rpms will just
keep Rising

1 Answer

78,395

Is the choke sticking open? Secondaries sticking open? High idle screw adjusted? Carb cleaner only gets you so far, may be time for a rebuild. But first I would try adjusting the choke and high idle screw, the choke has to be adjusted with a cold engine. The choke thermostat may also be mis-adjusted. Try looking up Youtube vids, plenty of them on adjusting old quadrajet carbs.

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