anyone out there ever heard of or tried to one of these "progressive" 2 barrel carburetors? its a holley/weber i think.
http://centralmich.craigslist.org/pts/3803469102.html
i guess one throttle plate opens at a time and they are supposed to be better on gas.
i hope im not annoying everyone cuz all i ever talk about is getting better gas mileage but dang... is 15 mpg to much to ask from these ol' thangs?