how to figure comp. ratio

[earthmover]

could someone tell me the way to figure out my comp. ratio????I know I have seen it posted some where just not sure where.....trying to get things worked out soon..thanks:glasses7:

 

[crackedback]

Try here...

http://kb-silvolite.com/calc.php?action=comp

 

[earthmover]

Thanks Crackedback I thought I had all the info I needed until I looked at the site head vol. and stuff I dont have looks like I more to check....thanks I'll get on it when I get in tomm...:sign7: how do I get the head vol??????