Having problems with your Cars & Trucks ?

I have a 83 mustang gt 302 a Holley 600 it's

Posted / edited by AnonymousUser on : 18-10-2021

Answers :

For those like me with a good old fashioned Holley type carb, here's a real nice video on the basics. He's gonna be doing more in-depth videos in the future. This cat flat out knows carbs!
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Holley carb running rich can be any of several possibilities. Choke stuck, vacuum leaks, weak ignition system, float level too high, fuel saturated float, or stuck needle and seat. 1st check for choke not fully opening. inspect and repair any vacuum leaks. weak ignition can be wrongly diagnosed as carb trouble. Float level can be inspected by removing inspection plugs on the side of the fuel bowls. fuel should be level with the bottom of the threads with the engine running. Caution gasoline and fuel vapors fill be present. if you are not comfortable with this process do not attempt! fuel level can be adjusted by loosening the jamb screw on top on the needle and seat. turn the adjusting nut clockwise to lower float level, replace lock screw. I hope this helps.
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