vacuum lines

[wamullins]

I changed from the quadrajet to an edelbrock on the stock intake. I am doing away with the EGR valve. Question is what vacuum lines can i get rid of and what lines need to be hooked to the carb? Thanks in advance...

Truck is
1982 C-10 Silverado
305/Turbo 350

 

[vkh]

Hmm, I believe you can get away with just running vacuum advance for the distributor, the vacuum line to the heater box for hvac controls, and pcv valve. Hopefully someone else will chime in too.

 

[1987 GMC Jimmy]

Are you still running the ESC distributor or just a vac. advance distributor? If vacuum advance, you'll need that. I'd keep the PCV if it were me. You'll need your block off plate for the EGR valve, but you can get rid of it and the solenoid. You've got the EVAP canister. You can keep it or get rid of it and leave the fuel tank vent with an inline filter. Do you still have the AIR pump and diverter valve? That's sorta vacuum stuff, but it's more involved to get rid of than some of the other. The lines associated with all that stuff, the check valves, the TVE, etc. can all go.