Cliff's Quadrajet Parts and Rebuild Kits

General Category => Quadrajet Carb Talk and Tips => Topic started by: Brian B. on May 28, 2021, 02:17:03 PM

Title: #7044270 1974 SD-455 Auto Q-Jet Main Air Bleed Size
Post by: Brian B. on May 28, 2021, 02:17:03 PM

Hello.  Could someone be kind enough to tell me what the Main Air Bleed size(main body & airhorn) is supposed to be for Q-Jet #7044270?  '74 SD-455 Automatic.  Thank you.

Title: Re: #7044270 1974 SD-455 Auto Q-Jet Main Air Bleed Size
Post by: Brian B. on May 28, 2021, 03:08:00 PM

.070 inch?

Title: Re: #7044270 1974 SD-455 Auto Q-Jet Main Air Bleed Size
Post by: Kenth on May 29, 2021, 12:42:31 AM

Yes, i have found the 455 SD units uses .070" main air bleeds in air horn and float bowl.

Title: Re: #7044270 1974 SD-455 Auto Q-Jet Main Air Bleed Size
Post by: Brian B. on May 29, 2021, 06:20:55 AM

Thank you Kenth.  That's what I see in my carb.  Just wanted to ensure it was not altered in the past.