Mechanical Terminology Questions

[Barry]

Now it’s all a bit of a mix of
Politics 
Religion 
Black Magic

Hemi heads, semi-hemi, CR, cams - this is what separates the good and bad engine builders

Someone who “slaps” an engine together and some one who “builds” a motor. 

PS
I “my opinion” CR should be 8.0 - 8.5 or even a tad more. 

Gene Berg has the “Blue Book” and is worth a read, but I don’t agree with his CR 7.0 beliefs