Quote:

Later intake closing...shortens the effective stroke giving less compression pressure.

http://www.wallaceracing.com/dynamic-cr.php



That's what I like. Mine is 73! Dynamic compression is more important overall .... IMO... at altitude that program has me' at 165 and like I said 11.89 to 1 and my low is 162 and high 170. ...

Mopar Performance