Hi guys and girls, i need some advice on what boost i should run my single turbo at. i have a T67 turbo, single walbro and 650cc injectors, at the moment i'm running at 1.3 bar of boost, my injector duty is 72%, my AFR is 11.8 at full boost, i no i should get some 800cc injector and another walbro or a bigger pump, but money tight a the moment so i was wondering should i leave it as it is or go back to my mapper and try for 1.4 or 1.5, and what is safe duty on injectors is it about 80%. any help would be great as this is my first fast car and i don't want it to go BANG
cheers jay