Thread: small idol issue

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thanks for the reply jerry, It has no vacume leaks, ive sprayed it down with carb cleaner while running to check that. The blades are just barely barely open, I will check again to see how much of the transfer slot is showing, but each butterfly has a hole drilled into it, about 1/8" in size. Are they supposed to be drilled there?

The metering blocks on it now are the stock holley's. I was told when I got it that it was an 830 HP holley, but the main body has no mark, stamp, or number stating holley. So it probably can't be a holley. I am only assuming its a proform because I cant find another manufacturer that makes them.