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Holley Street avenger 670 CFM

5K views 4 replies 2 participants last post by  fordean 
#1 ·
I have Mixture screw set 3/4 turn but still running rich? what else can i do?
 
#3 ·
I have about 6.5. Psi, I have a feedthru Carb. Barry grant I dont know which powervalve I have. I will look and get back to this post. Floats. we did. But it is a pain to do. Dont know why they just dont have a sight hole that you need to play around with. Small glass sight I dont think would be real dangerous but maybe it is.
 
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