Quadrajet Problem Solving > Quadrajet Parts and Numbers
Restamp 7040256 ID
4speed455:
Here are my latest numbers:
Idle tube: not removed or measured yet
Idle channel: .052
Lower idle air bleed: .070
Upper idle air bleed (main body): .070
Accelerator pump discharge holes: .026
Main air bleed (main body): .060
Main air bleed (air horn): .040
Secondary POE well restriction: 0.36
Secondary POE restriction: .030
Secondary tube restriction: .035
Secondary POE outlets .028
Idle bypass none
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