SP or LRP

[OneKiwi]

I have 2 escs and a few motors to choose from what do you thik would be the best combo
Car losi xxxcr and maybe a 22 at a later date

I have:
Speed Passion Gran Turismo 2.0 ESC + prog kort
LRP Sphere TC
LRP x11 7.5T
Losi 6.5
Novak SS4300 8.5

I have had the LRPx2 but am going to test the sp and novak this week.

What ya reckon?
Im not sure Ill keep one as a back up, should I?