OK, I have a 92 rs tbi camaro, 99% of my vacuum lines are in horrible shape, what lines do I need to keep for proper operation, I'd like to get rid of the charcoal can and keep my cruise, and that's about it, I know I need the map and brake booster but what else do I need?? also I don't have to worry about emissions, no inspection where I'm at.


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The charcoal canister (vapor canister) provides the vent for the fuel tank. It's best to keep it.

The car will run best if you keep everything it came with functional.

 

thats the thing, ive got a ton of vacuum leaks, someone tried to fix the mess before but i literally have a bunch of random size hoses splices into tees that arent shown on the vac diagram, the best one is the oxygen line (the ones you use for medical purposes) that runs from the manifold to the cruise control i just need to know what is needed to run right, i dont want to put a ton of money into replacing all the vac lines when my next motor wont need any of them,