Originally Posted by gunna do
this is brett again i've already swithed over to the novarossi based collari i got 2 on order.I was just supplied these sirio based engines to run at the preworlds in brisbane australia,so i just want to get the most out of them before i use them as paper weights.
Then break-in, get a good pitmen with a steady hand with the screwdriver and drive them hard, very hard. Doesn't matter if Collari switched to Nova, your engines are really good. Drive them like you stole them.