My truck is backfiring from the exhaust and flames were coming out from the mufflers tailpipe. Recently rebuilt carburetor and need to adjust the electric choke adjusting screw and throttle screw,

Asked by Ajay1702 Dec 28, 2016 at 11:35 AM about the 1984 Chevrolet C/K 10 Scottsdale RWD

Question type: Maintenance & Repair

What are the correct settings for the
screws on the 4 barrel quadrajet carb and
the screws for the throttle and the screw
on the linkage for the electric choke. It
seems like it might be putting too much
gas in the carb.

3 Answers

I think your problem may be with the ignition timing.

1 people found this helpful.
60,405

If it truly is getting that much extra fuel adjusting the mixture screws won't do that. It really sounds like spark isn't coming at the right time

Your Answer:

C/K 10

Looking for a Used C/K 10 in your area?

CarGurus has 2 nationwide C/K 10 listings and the tools to find you a great deal.

Postal Code:

CarGurus Experts

  • #1
    CaptPKelly
    Reputation
    5,160
  • #2
    T_S_T
    Reputation
    1,040
  • #3
    Gene Arnett
    Reputation
    990
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Ford F-150
311 Great Deals out of 13,471 listings starting at $4,888
Used Chevrolet S-10
2 listings
Used Chevrolet Camaro
16 Great Deals out of 462 listings starting at $11,749
Used Ford Mustang
33 Great Deals out of 1,565 listings starting at $5,977
Used Ford F-100
7 listings
Used Chevrolet Corvette
20 Great Deals out of 750 listings starting at $1,850
Used Chevrolet Blazer
32 Great Deals out of 1,066 listings starting at $17,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.