Holley Spreadbore

[Hacksaw]

Originally Posted by Ed Wright

Holley are easier than Quadrajets. The problem TQ carbs were all on street cars & trucks. All old enough to need work. Those caps under the main jets falling off were all high mileage, several years old. When they flood on start ups, and you don't see fuel drop on the throttle blades like a normal carb, those caps are loose. Pull the carb base, and they usually fall out on the bench. Probably fixed close to a hundred of those. You could not run fast enough to give me one.
Making a fairly new TQ run well is no problem at all. Just plastic bowls failing on older carbs.
What is your Quadrajet doing wrong?

Mine, leaves the line ok and then stumbles and recovers, very annoying