My friend gave me some carburetors in a box, one happens to be a Holley 4777-1347. It is missing the rear metering block and I was wondering if I could use the 4776 block to make it work.
I can buy one off of Amazon that says it is for a 4776.
Ok, that makes sense. FWIW and AFAIK, all replacement metering blocks from Holley for a while now have been using a plain emulsion well rather than an emulsion well with an emulsion tube in it. They no longer make any metering blocks with the tubes in them any more.