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Off topic 660 holley help needed

September 5 2011 at 10:16 PM
Tony  (Login tony-can-do)
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I just put a set of these on my cleveland but cant get the idle mixture to work at all,Things I have done to the carbs are 600 holley metering plates in the front to run power valves currently running 2.5 in them,also put a kit in the rear so I can use jets in the rear,right now I am running 76 front and a 73 jet on the rear.

Should I be jetting way down now that I am running a powervalve cause man she is running rich and will not idle very well at all below 1100 rpm,are the 600 metering plates a good swap or are they wrong for the 660.

Sorry Blizz but they are still on a cleveland so I hope that counts..


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