trying to put one back to OEM basically - came with wrong rear metering block . question is do these come with rear power valve or not . or are dif generations of the #4781 set up a little dif . i've been doing a little homework and i kinda get two answers ?
Del, what the dash number after 4781? I have a Holley catalog in my office. It shows the factory "recipe" for any carb. I'll look it up and give you a list of all the original part numbers
I've seen all the 4781's, all the way up to current. And all of them had rear power valves, so I am 99.9% sure it should have one...
at work right now but i believe its a #4781-2 . thanks for the time n input - to all of ya . i kinda thought it should but ---- ? and i've got a holley "how to" book and a holley catalog with alot of info in it , including a list of oem jetting , shooter# etc . but with a couple quick checks nothing specific . edit : it's a -2 carb . went back into book and dbl checked footnote info - yep looks like it should be there . #65 . threw a cheap e-bay bid on one without - yep won that one . $8 including shipping - good extra . just missed a couple real nice bowls though .
