Originally Posted by
scoooby slayer
I would suggest with a lot of midrange boost it will surge its tits off, I ran a t4 with a stock ports head but bd14 cams and boost was limited to 22 psi below 5600 rpm due to horrendous surge, it was really bad.
my T4 engine with lots of mid range boost so if the Spec is right you can do that. Its nothing to do with ported shroud but cam choice. This was back in 1999 so its been possible for a long time. Great engine maybe the best I ever had.
Last edited by Rod-Tarry; Jan 22, 2015 at 05:01 PM.