I am picking up a hm nova 528xr off of Monty real soon, cant begin to say how excited i am about this !!

Just a couple of questions , as im new to "real" Italian mills.

I 'm running a LST2 so im restricted to my header selection , right? aswell, now ive got a losi high tq tuned pipe , supposed to be 086 copy?
any suggestions.

Plug type?

fuel ?

have to start stocking now cause LHS is POS

thanks for the help