Summit Racing had a nice ebay price, so I asked them to measure the throat. No such luck,probably drop shipped direct from Holley, and they invited me to send my carb to Holley.

Not likely.

After 47+ years of that carb design and the known differences within the Rochester B series, how in the **** do you run a business where getting a carb boils down to dumb luck?

I will never purchase from a company of imbeciles.

Anyone know of a carb rebuilder who has their feces consolidated into one woven textile foot covering?