1. 

   buicksstage1 Well-Known Member

   These are the old STG4's not the STG4b's that Mike and I did. 2.300/1.810 before and after flow #s.

    

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     STG4 HEADS OLD 004.JPG

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     STG4 HEADS OLD 005.JPG

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   buicksstage1, Apr 5, 2017

   #1

   slimfromnz, tom Hearsey and GS Kubisch like this.
2. 

   GS Kubisch THE "CUT-UP" BUICK

   Man.... I'd love to see how much power these could make.
   
   Great job getting them past .650

    

   GS Kubisch, Apr 7, 2017

   #2

   slimfromnz likes this.

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