1959 dual quads

[James O.]

in trying to determine the correct casting codes on 1959 270 h.p. dual quads. i believe the tops are 6-1299 but how can you tell if the bases and center bodies are correct? how do you differentiate between long counterweights and short?

[Joe L.]

Re: 1959 dual quads

james----

Yes, the air horns (tops) of both carbs should be 6-1299. The float bowl (main body) should be either 0-049 or 0-1049. The throttle bodies (bases) MAY be marked 1-1485S, front, and 1-1488S, rear.

Long or short counterweights? I can't help.

[William C.]

Re: 1959 dual quads

The distance from the end of the weight to end of the shaft is 1 21/32 inch on the "long" version. The short version is 1 13/32 fron the end of the weight to the end of the lever. This is all in the judgin Guide, a very handy reference to have...