Did you know that fuel injection hose clamps are designed differently then regular worm type hose clamps? That worm type clamps as shown in the picture towards the right should not be used on fuel line hoses, and the clamp on the left is the proper one to use on a fuel line?
Listen to the clip of Pat Goss talking about why you can't use a regular worm clamp on a fuel line, as he explains this to caller on his weekly radio show.