Ok just some findings on the 5 Port
we tested a few different fuels at llrrc last sunday and we managed to get 11min 28 to a 125 ml tank on the Go Tech 5 port . Thats pretty bloody good !
Head shimming at .5
Using our RTR fuel 20% nitro .
Temp around 140 to 145 Deg C got her up to 169 Deg C at one stage...