My dad removed this OEM carburetor from his 1957 T-bird over 50 years ago! The date code and identification number that are stamped into the forward vertical surface of the air horn are as follows. The carb build date codes were the same as the previous two years used on the #3447 carb ears and tags. I grabbed it not knowing the history, just thinking I could use it on the next engine build. Learn about these decisions The reputation of carbohydrates greatly mirrors a Game of Thrones character: first they’re good, then they’re evil, then they’re vindicated, then they’re the devil This two-day-a-week diet plan sounds a lot easier than full-time calorie-counting: Just avoid eating carbs those two days and eat what you normally do the rest of the time Facty provides quality information to individuals who need it most, offering well-researched tips and information as easily digestible content. dayforce app Holley uses a -x with a series number that appears after the list number on its aftermarket performance carbs with an airhorn. 025 The date code is 993. I rebuilt a Holley 3878261-EH, List: 3310 with a date code of 153. Holley carburetors have been used on high performace engines since the early '60's. nail salons in biloxi ms Holley has made special production runs of various carburetors over the years. Exact fit for all small block Z28 models. The store will not work correctly in the case when cookies are disabled. Carbohydrates, or carbs, are sugar molecules. The 3 digit dates lasted until about 1973. golf cart rules on tybee island 1702 posts · Joined 2006 Have a guy trying to sell me an original Holley DZ carb but I'm not sure the date code is correct. ….