General Category > Quadrajet Carb Talk and Tips

Outer secondary shaft return spring.

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4ever18:
On many QuadraJets there are 2 secondary throttle shaft return springs; an inner and an outer.  I believe there are 3 versions of the outer spring. I've included a picture.  I don't believe they are interchangeable as they fit specific shafts for different QuadraJets. From the picture, can anyone tell me which spring goes to Chevy, Olds, Pontiac Buick and Cadillac?
 

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