ORIGINAL: titan20
No. All of those motors feature advanced timing and locked endbells, so there is no other way to adjust the timing. If I'm not mistaken the Speed Gems motors from Trinity are set to zero from the factory, but can be advanced or retarded. They should be able to work as is.
The speed Gems look good but they don't come in 27 turn. I don't remember if you can compensate the lower turns by adjusting the timing.