I have mastered the art of rebuild quadrajet lol my original quad on my 305 had a cracked/warped body and it took 3 Rochester quads and a scrap olds 307 quadrajet to make on working carb lol
And a majority of those carbs were extremely corroded took two large cans of carb cleaner
And a majority of those carbs were extremely corroded took two large cans of carb cleaner