Home
Services
Ours Cars
Tech Stuff
Policies
Links
Contact

The List...Kings of Oldsmobile Power

Road Rage Racing








Carburetor Tuning.....

Symptom Remedy
Fuel comes out of vent tube or runs out A) Lower float level
B) Decrease fuel pressure
C) Remove, clean/replace needle-&-seat
D) Inspect float to ensure it's moving freely
 
Backfires or Pops through carburetor A) Open idle-mixture screws
B) Increase squirter size
C) Increase jet size
D) Raise float level
 
Backfires or Pops through exhaust A) Lower float level
B) Decrease fuel pressure
C) Decrease jet size
D) Readjust butterfly position, primary & secondary
 
Engine won't start A) Prime carburetor with fuel
B) Pump squirters to get fuel flowing
C) Check ignition timing
 
Fuel leaks from throttle shafts A) Lower float level
B) Decrease fuel pressure
C) Readjust butterfly position, primary & secondary
 
Is rich at idle A) Increase initial timing
B) Go in on mixture screws
C) Readjust butterfly positions
D) Lower float level
E) Decrease fuel pressure
 
Stumbles under light acceleration A) Open mixture screws
B) Readjust butterfly positions
C) Raise float level
 
Stumbles under hard acceleration A) Readjust butterfly position
B) Increase squirter size
 
Won't return to idle A) Increase initial timing
B) Readjust butterflies
 
Surges at part throttle A) Open idle-mixture screws
B) Open primary butterflies & close secondary
C) Raise float level
D) Increase jet size
 
Emits black smoke under hard acceleration A) Lower float level
B) Decrease fuel pressure
C) Decrease jet size


This article was provided by: Barry Grant Inc.





















Best viewed at 1280 x 1024 pixels
Copyright © Road Rage Racing
Contact webmaster