If a specific post was interesting or useful to you, we recommend that you Like that post. It tells the post author, and others, that you found the information valuable. Clicking Like is another way to let others know that you enjoy it without leaving a comment.
Log in to join the conversation and Like this content.
I think for a street engine it is more important that they weigh the same than be lighter. I don't know when you have to be concerned with the balance between the rods & pistons and the crank counter weights.