General Category > Quadrajet Carb Talk and Tips
Removing the idle down channel restrictions
77cruiser:
I use 10-32 x 1/4 in. long brass set screws. Have to shorten the tubes a bit drill the set screw & solder the tube in.
As for removing the restrictions a drill bit that is slightly bigger that the cup will grab it & sip it loose.
Cadman-iac:
--- Quote from: 77cruiser on January 31, 2025, 05:19:20 PM ---I use 10-32 x 1/4 in. long brass set screws. Have to shorten the tubes a bit drill the set screw & solder the tube in.
As for removing the restrictions a drill bit that is slightly bigger that the cup will grab it & sip it loose.
--- End quote ---
That sounds like a good idea. How do you drill those out, on a small drill press, or do you have another method?
Kenth:
For the idle tube removal i use a small tube extractor.
I would not thread the holes for the idle tubes.
mcx:
Kenth
Could you attach/link of this “small tube extractor”…half the time I screw up the removal with Cliffs method.Thanks.
-Michael
Cadman-iac:
--- Quote from: 77cruiser on January 31, 2025, 05:19:20 PM ---I use 10-32 x 1/4 in. long brass set screws. Have to shorten the tubes a bit drill the set screw & solder the tube in.
As for removing the restrictions a drill bit that is slightly bigger that the cup will grab it & sip it loose.
--- End quote ---
Just tried this, works great, thanks for the tip.
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