1. 

   Eric Schmelzer Well-Known Member

   Which one will flow more on a 73 455 block given the same rebuild? Mainly just valvejob seals and the like using same size valves, with no port work?

    

   Eric Schmelzer, May 16, 2003

   #1
2. 

   Rivman73 Member

   The 430 head will flow better. Also it has a smaller cc and the earlyer ex. crossover so you can use any intake.

    

   Rivman73, May 17, 2003

   #2

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