Crash's 69 K10

[mcbassin]

Originally Posted by Crash_OK

Yesterday I installed the cross members and finished up some painting.

I started thinking about fuel system needs, and I have a question. The part I have pictured below has a line that runs from it to towards the rear of the truck alongside the fuel supply line.. I assumed it was the fuel return line, but after thinking about it, I don’t see how it could be since it comes of the top of the air manifold. So here is the first of many stupid questions.. What is it?

Thanks…. And I hope everyone is having a happy Christmas.

Your engine won't have a return line and that plastic line at the top front of the intake you won't need either. You can make or buy a block off plate.
Merry Christmas!