Power FC turbo switchover point

[marf]

So in the long run I reckon I\'ll end up fitting a PFC.

I see reading the manual that it has an option "seq turbo control"

http://www.apexi-usa.com/manuals/electronics/415z001.pdf - Page 36

does that control the turbo switchover point? Is that something that would get changed when remapping? Can it be lowered when you have a freer flowing exhaust/intake?

[BlitzBoy]

That option just switches off/on the solenoids controlling the seq operation, you switch it off when going single turbo conversion, you need a datalogit to change the rpm values of when the second turbo cuts in and out vs load

[marf]

Understood, thanks.

So when/why would you increase/decrease the switchover point?

[BlitzBoy]

The deafults they are pretty spot on, if ya ported then spool may be better on the primary so therefore the secondary should be spooled up quicker, so when I map on the dyno I will experiment by bringing the secondary in slightly quicker, it becomes pretty obvious if this works by the power curve plotted on the dyno if it becomes becomes better or worse

[marf]

Gotcha, thanks