Actually you were almost right on
Using that website
http://www.c-speedracing.com/howto/c...c/compcalc.php
change the head to B20, and then change the pistons to B20
Compression Ratio for B20b/B16 head is 9.3:1 and for B20z/B16 head is 10.2:1
Originally Posted by Nightshade
Good find Snoop definitley going to my favs list
I guess I was further off than I thought
h: