Posted By: racincuda
Rule of thumb for head flow vs application - 02/20/11 04:23 PM
Im working on a mild 340 build and was wondering if ther is a rule of thumb guide for head flow vs the application or cubic inch of engine
Posted By: forphorty
Re: Rule of thumb for head flow vs application - 02/20/11 05:52 PM
about 2 intake cfm per hp. In other words, you need 200 cfm for 400 hp, 250 cfm for 500 hp, 300 cfm for 600 hp, etc. Of course there are alot of variables. Forced induction can get by with less.