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therad size on jets #3129525 03/15/23 12:20 AM 03/15/23 12:20 AM
Joined: Jan 2006 Posts: 246 ohio D dragon OP enthusiast
dragon OP enthusiast D Joined: Jan 2006 Posts: 246 ohio	What is the thread size of. Holley and AVS and AFB and thermoquad jets. THANKS

Re: therad size on jets [Re: dragon] #3129562 03/15/23 08:37 AM 03/15/23 08:37 AM
Joined: Jun 2008 Posts: 3,916 usa L lewtot184 master
lewtot184 master L Joined: Jun 2008 Posts: 3,916 usa	check me on this; holley 1/4-32, carter 5/16-24.

Re: therad size on jets [Re: lewtot184] #3129639 03/15/23 01:54 PM 03/15/23 01:54 PM
Joined: Aug 2003 Posts: 43,176 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,176 Bend,OR USA	Originally Posted by lewtot184 check me on this; holley 1/4-32, carter 5/16-24. I'll try and check mine, both brands soon, there in the race trailer and there are 5 inches of snow in the driveway now and I don't have any boots or shoes that I can use to walk out their today, it should be all melted by tomorrow afternoon or by Friday morning I'm thinking the Holleys jets are either #12x? or #10X?, no idea about the Carter and Eddy brock jet sizes Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: therad size on jets [Re: lewtot184] #3129642 03/15/23 02:04 PM 03/15/23 02:04 PM
Joined: Jan 2007 Posts: 10,133 A Red State SNK-EYZ I Live Here
SNK-EYZ I Live Here Joined: Jan 2007 Posts: 10,133 A Red State	Originally Posted by lewtot184 check me on this; Holley 1/4-32, carter 5/16-24. 1/4-32 sounds right to me. I had a machinist buddy make some extensions for some Carb Shop metering blocks and I believe that's what they had to be threaded. Although I don't claim to be an expert. Kayse can't keep up at all now. lol

Re: therad size on jets [Re: Cab_Burge] #3129706 03/15/23 05:23 PM 03/15/23 05:23 PM
Joined: Oct 2007 Posts: 4,206 New York polyspheric master
polyspheric master Joined: Oct 2007 Posts: 4,206 New York	Holley # is 122-XX Some Rochesters are ¼-28 NF Boffin Emeritus

Re: therad size on jets [Re: polyspheric] #3129722 03/15/23 06:30 PM 03/15/23 06:30 PM
Joined: Jun 2008 Posts: 3,916 usa L lewtot184 master
lewtot184 master L Joined: Jun 2008 Posts: 3,916 usa	did a little internet search and the holley is 1/4-32. i knew for certain it wasn't 1/4-28. i have used a 5/16-24 to clean up threads for carter afb jets.

Re: therad size on jets [Re: lewtot184] #3130321 03/18/23 12:06 PM 03/18/23 12:06 PM
Joined: Sep 2003 Posts: 19,405 north of coder moparx "Butt Crack Bob"
moparx "Butt Crack Bob" Joined: Sep 2003 Posts: 19,405 north of coder	years ago, i made a variety of jets for a thermo-quad, and they were 5/16-24 thread. i kept the program for those , but alas, the machine i made those on are super obsolete these days.

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