1. 

   Donnie Well-Known Member

   Will the factory carb off of a 71 riviera gs perform better than a 750 vac secondary on my 69gs?

    

   Donnie, Mar 21, 2019

   #1
2. 

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

   Yes it will. Holley vacuum secondary carburetors are not as good as the double pumpers.

    

   LARRY70GS, Mar 22, 2019

   #2

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