Carb help? (With pictures)

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Vann

Junior Member
Joined
Mar 6, 2021
Posts
2
Reaction score
1
Location
Georgia
First Name
Vann
Truck Year
1984
Truck Model
K10
Engine Size
350
Hey guys. I have been given an 84 k10 a while back, and I’m starting to try and get this thing road ready. It runs great when it gets going, I just can’t ever get it to crank without turning it over and over or using starter fluid? I think it’s a choke issue but I have no idea when it comes to carbs. I know I can push something that kinda locks in to place on the carb side while it’s running and it brings the idle down some. I’ve included pics of all 3 side so that if there’s something glaring obviously wrong someone can point it out, thanks so much.
 

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ali_c20

Full Access Member
Joined
Sep 20, 2016
Posts
1,282
Reaction score
1,830
Location
Austria
First Name
Alexander
Truck Year
1974, 1979
Truck Model
C20, K5
Engine Size
350, 350
Welcome from Austria. When starting with the engine cold the choke plate should be closed. Step on the accelerator before cranking and the choke plate should close.
As soon as the engines fire up the choke plate is opened a little by the vacuum pull of. It runs on higher rpm for faster engine warm up. The electric heated spring opens the choke plate slowly till full open and idle speed goes to normal. If you step a little on the accelerator it should go to idle before the choke plate is fully open.
Search youtube, there many vids for Quadrajets.
 

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