Quote Originally Posted by GMCwantsLS1 View Post
Are you wanting to put the tank under the bed or in the cab? I used a Suburban tank under the bed on my '81 and installed a Walbro pump in it. If you get one from a FI truck it is an easy upgrade. You might be able to make the in-cab tank work as well but I haven't tried one.
Where is the fill tube for your truck now?