GM Truck Club Forum banner

79 scottsdale carb problems?

1.7K views 4 replies 4 participants last post by  dannys99  
#1 ·
i think my fuel air mixture is messed up on my 600 edelbrock. any advice on screw position?
 
#3 ·
I'm not sure on the Edelbrock, but on a regular Chevy Carb. I was told to put the screws all the way in and back it off 1 & 1/2 turns.

When I brought my truck in for a professional tune up, they said nothing needed to be adjusted on the carb.
 
#5 ·
Turn M in then out 1.5 turns, then go and smell the exhhuast for 30 seconds if your eyes are bloodshot after that then turn M out another 1/2 turn. usually when it runs smooth at about 800 rpm you got them close.