increasing compression

Some very good info being shared here :cheers: Thank you..
Frank took 40 thousands off my new head
as I requested and was advised by these /6 folks in this post :happy2:
If :-k and I say If, I remove my 170/6
I will have 50 thousands taken off my early low deck engine.
Thank you all for all the great info in the past and present.
Don't forget to take the potato out of the exhaust
and throw some real spark to it :toothy8: