YES CX9 I DID SET TIMING WITH VAC. ADVANCE UNHOOKED SET AT 32 DEG. STILL POPS ONLY ON THE SECONDARY SIDE OF CARBS IT HARD OFF IDLE AND JUST USE PRIMARYS AND DOES FINE STARTS GOOD IT IT HARD AND TAP INTO SECONDARYS AND POP /MISS /PUF SET THE TIMING WAY UP LIKE TO 45 DEG APPROX. AND IT WILL TAKE IT SOMETHING ISN'T RIGHT WITH THIS PICTURE.