Ahhh, yea, I know, someone mentioned single plane intake. I mentioned Performer but......
Thanks Toolman Mike. I missed/by-passed that in my head. Swapping heads is not cost effective at this point.
Love the meter!
There was a thread on a guy that did a mileage experiment. His A-833 O.D. was helping in a 30+ mpg ride with a 318. Rear ratio I forget.