I have an original Holley 3367 with a light green 539 fast idle cam. Is this correct for a 66 300 HP application? I also have a replacement 3367 with an off-white cam. There is discussion in the archives about the green cam for a 67 carb, but I could not find a reference to the 66 3367.
66 Holley 3367 fast idle cam color question
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