I know these are part of the vaccum just wondering if i need them and what each does just re painted my bay block heads etc etc and trying to get rid of clutter plus i already got rid of the smog pump

 

That's like saying "I got rid of the air in my tires." The emissions systems HELP the truck run better, and those are all emissions parts. If you delete them, you're asking for trouble. Click these, read the captions, and follow the links in them:

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Thanks for the input still new at working on cars just started teaching myself a few months ago. The carbon canister was already plugged off and has holes all throughout it. I guess I'll hook the can back up but what about the bottom one I didn't see anything about it and what it's for? I know its supposed to hook up to the smog pump which has already been deleted by the previous owner.