Originally Posted By: Mean buzzen half dozen A.K.A. Hank
I have had great results when running my 194 cyl head.

I had 12:1 compression on pump 91 octane, it also helped I had a positive deck height. Quench,& quench area had a big part of how I got to run 12:1 compression.

MBHD


Wow, that's a lot of compression. Was that with the .040" Fel Pro gasket? Did you deck it the 194 head to get less than 64cc chamber volume? I'm presuming this was a domed piston?