1. 

   stk3171 Well-Known Member

   http://buick.viragotech.com/BUI-68-82.rtf
   These are the NHRA blueprint specs.
   Dan

    

   stk3171, Oct 21, 2004

   #21
2. 

   TXGS Paint by numbers 70 GS 455 4spd

   compression looks like at typo. 68-70 10.25 compression on the 4brl. 71 and up is 10.5 (I think they meant 8.5)

    

   TXGS, Oct 21, 2004

   #22
3. 

   ijzane Well-Known Member

   if you can't use those 861 heads, they are the exact number head we need for our NHRA Stocker. We are in need of another set.

    

   ijzane, Oct 21, 2004

   #23

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