I dont fully understand the issue but it may have to do also with the cams and valve diameters.
On Tue, May 26, 2020, 6:52 AM Mitchell Haley EA via Mercedes < mercedes@okiebenz.com> wrote: > Would you have the head ported if it were off the engine for other work? > Mitch. > > On Mon, May 25, 2020 12:21 pm, Karl Wittnebel via Mercedes wrote: > > They are getting pretty good at hacking the ecus for the 613 and 648 > > though. That is what all the Europeans are doing. Hard to make really big > > power with it as the head does not flow as much air as the 606. So you > > need more boost etc. But it has pretty good power at baseline. I have a > > 648 in a 123 wagon but havent driven it much yet. > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
