08-18-2025, 11:04 AM

helmerrock helmerrock is offline

Senior Chief

Join Date: Jun 2004

Posts: 277

Quadrajet tune

I’ve got a 69 carb 7029263 that seems to be developing an issue. Carb bogs when going from coast to light throttle. Problem is worse when engine is not fully warmed up. Once warmed up it is not as bad but still a slight hesitation at transition from idle to main circuit. Rebuilt a few years ago to Recipe 2 using Cliffs parts and manual. This bog seems new. No changes. Running on 9.5 comp 400 with 068 high lift cam. What should I look for to correct this. Thanks for any feedback

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