1. 

   agetnt9 Agetnt9 (Dan)

   Are all 71 carb 7041540

    

   agetnt9, Dec 6, 2020

   #1
2. 

   rkammer Gold Level Contributor

   No, there are others.

    

   rkammer, Dec 6, 2020

   #2
3. 

   Smartin antiqueautomotiveservice.com Staff Member

   That is a non-stage 455 carb. There is a different number for Stage1 and another for 350

    

   Smartin, Dec 6, 2020

   #3
4. 

   Matt Knutson Well-Known Member

   7041540 is for 455 auto non-stage

    

   Matt Knutson, Dec 6, 2020

   #4
5. 

   LARRY70GS a.k.a. "THE WIZARD" Staff Member

   I believe the 1971 Stage1 carburetor is 7041242. 7041243 is manual transmission 455. All the 455 carburetors in 1971 are 800 CFM. There are 2 other Q-jets for 350 engines in 1971, they are 750 CFM.

    

   Last edited: Dec 6, 2020

   LARRY70GS, Dec 6, 2020

   #5
6. 

   shiftbyear Well-Known Member

   The #5 in the 5th digit indicates your carb was for California emissions. It can easily be upgraded for your application.
   https://cliffshighperformance.com/articles/quadrajet-casting-number-chart

    

   shiftbyear, Dec 21, 2020

   #6

   Dano likes this.

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