[Trevor21]

i got a 79 280zx new filters i think its not getting any air for some reason but when i unhook the air blower it dies the gate in the air blower lifts up when i hit the gas other then that its back firing its getting gas plugs are kinda black what can i do i can i fix it without alot of money please get back to me on it it will be apreaciated
thanks ahead of time
Trevor

 

[johnh240]

Change plugs, check for vacuum leaks and do a 'search' for running rich.