gas smell

[89CUSTOM]

I have an 89 f-150 and keep smelling gas, took out the injectors and put new rubber o-rings in, it is a 4.9, any advice? tired of smelling gas through the vents!

 

[ligito]

I have an 89 f-150 and keep smelling gas, took out the injectors and put new rubber o-rings in, it is a 4.9, any advice? tired of smelling gas through the vents!

Close vents.

My truck also smells of gas all the time.
I'm assuming the tops of the tanks are rusted.