One of the more intimidating aspects of tuning a Rochester Quadrajet carburetor is getting the air horn back on without damaging the primary metering road assembly, which must be seated as you assemble. The problem is it wants to come up – there’s a spring-loaded piston – and if does and the metering rods become unseated and you press down on the assembly, it will bend – and ruin – those fragile metering rods.
The trick is keeping the assembly seated while you reassemble. Without further ado, here is my redneck – but effective, so don’t laugh – technique for getting it together without breaking anything:
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