General Category > Quadrajet Carb Talk and Tips
Preferred thread size & type APT Access Plug?
Silver 7T8:
What is the best choice when replacing the APT press-in plug -
1/8" counter sunk PIPE Thread Plug ?
3/8" X 16 (course) Socket Head Screw ?
3/8" X 24 (fine) Socket Head Screw ?
What is the size of the APT screw on the Edelbrock carb.
shown on page 119 upper right photo Cliff's Book ?
Thank You To All Who Offer Assistance on this Great Sight!
Ethan1:
--- Quote from: Silver 7T8 on February 07, 2016, 03:58:21 PM ---What is the best choice when replacing the APT press-in plug -
1/8" counter sunk PIPE Thread Plug ?
3/8" X 16 (course) Socket Head Screw ?
3/8" X 24 (fine) Socket Head Screw ?
What is the size of the APT screw on the Edelbrock carb.
shown on page 119 upper right photo Cliff's Book ?
Thank You To All Who Offer Assistance on this Great Sight!
--- End quote ---
I would go with the 3/8"-24 allen head screw. At least that is what I have used. :)
Not sure on the Edelbrock APT in Cliff's book. Cliff would be best to answer.
Glad to have you on this site as well. 8)
77cruiser:
I've always used the 1/8 pipe plug, saw where Cliff mentioned 3/8 set screw.
carmantx:
I use the 3/8 x 16
Silver 7T8:
Looks like I received a "Vote-for-each-Choice"?
I guess any of the THREE will work as a screw-in APT Plug.
Again, THANKS to ALL
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