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					Originally Posted by all motor  as Jim said-proper tuning makes a big difference-I changed from a dp650 after it would never run any way other that rich - to a 670 street avenger, now can start cold with no choke-faster warm up-plenty of power-mileage went from 12mpg to 18-20
 Bob
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 ..thx. I probably should have indicated that I'm not having problems with the Holley other than a bit rich. The change out of the current carb is driven by other factors not related to trouble and poor performance. 
However, before I replace the carb with another Holley, my intent in starting this thread was to get input from individuals who have the other brands installed on their cars and their experience with the brand after the installation.