Quadrajet Problem Solving > Dialing in your rebuilt Quadrajet carburetor

dialing in 7029207 q-jet

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magicrat56:

--- Quote from: Cliff Ruggles on December 16, 2010, 11:06:36 AM ---Keep in mind that with huger amounts of idle bypass air, you have to add additional fuel to compensate.

With 13" of vacuum you should be able to get by easily with .110" to about .120" idle bypass air and solid plates.

My guess is that you need more idle fuel available.

Difficult to advise on APT setting(s) and PP height.  It really depends on what metering rods are used.  The factory "B" series metering rods were used with the early APT systems....Cliff


--- End quote ---
what i ended up with is going to recipe #3 and bumping up my timing 4* @ idle. quite a improvement! still need some fine tuning this spring but is idling as good or better then my much tweaked holleys. great book cliff, plus this forum makes a great place for tuners. merry x-mass

Cliff Ruggles:
Good news!  Glad to see improvements, have a great holiday!....Cliff

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