Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor
Choke and Fast Idle Relationship
thumper:
Hi Cliff and guys.
I want to adjust the fast idle on my carb to 1200 rpm or so. When I dial back the fast idle screw, the truck doesn't want to start. So I am missing something.
The setup on the choke is frustrating as a lot of times the unit wants to do its job when it is really not needed. I want more control of the choke!
Any suggestions are appreciated!
Thanks, Thumper
429bbf:
thumper give us an idea what carb and rig your working on.is it electric,hotair or manifold controled.dean
73 Z28:
Knowing what kind of choke setup will help understand what is happening. Normally a good cold start fast idle speed should be about 1600-1800 rpms. Once the choke comes off of the steps of the fast idle cam it should reduce to about 1000-1100 rpms in neutral or park. Has your carb been rebuilt?
Paul
Cliff Ruggles:
What is the carburetor number and application?......Cliff
thumper:
--- Quote from: Cliff Ruggles on June 12, 2012, 05:45:09 AM ---What is the carburetor number and application?......Cliff
--- End quote ---
Sorry for the delay.
Carb # is 17057512 1867. 463 BBC with hot air tube in manifold. Carb is a Cliff Ruggles rebuild and works great!
Thanks for the replies. Thumper
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