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Discussion Starter · #1 · (Edited)
Geeez I have just installed the MSD ready to run distributor and now I have bone white electrodes . The Holley street avenger is the 570 so now with a efficient ignition, I am thinking that my jetting should be bumped up a touch. Stock jetting is 54. I have moved them up to 58. Maybe I should think 65 like the Holley 600. The 194/160 valves and the Comp 270hr roller cam must really move the fuel mixture and exhaust through the tri-ys. I have talked a bit about the car in the past , but the combo with the ignition upgrade has me wondering. Suggestions. Should I post pics.

Just to add that the vacuum is a steady 15


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