Sounds good hope he gets it running. Nothing like haven a nitro truck or car and know it started. But it sat for a while. Then it doesn't start. That is so frustrating 😤. I've been there it's the worst
If you blow in line the fuel gets to carb correct. But then when u hook up fuel line no fuel is drawn from tank to carb. Sounds either carb sleeve is closed or the carb slide witch is attached to motor servo is is not opening or closed and not allow the fuel to flow properly. Like chubaka said...
The outlet on top of tank is your vent which would go to fitting on top of exhaust. Bottom one is supply line. You can put something against the low speed needle arm and motor casing and hold open the carb all the way. Then try to start it you should definitely be getting fuel at that point if...
If your getting fuel threw the lines when not connected to the carb then it's definitely the carb. And sounds like it's closed or even the idle screw is keeping the sleve from opening properly to allow fuel in
Not to sound like a ass but you sure the inlet high needle is open 4-4.5 turns out from closed. Sometimes new carbs are not open or set.since the carb could go on other motors. It might not be open enough to allow fuel in.Check to see if the throttle arm is not closing the the valve Sometimes...