Vacuum source for charcoal canister on LS3 intake?
06-11-2012, 10:07 PM
#1
Vacuum source for charcoal canister on LS3 intake? I need to send the charcoal canister smells forward into the engine; don't have the evap system from factory. So do I need to send it to a vacuum source, and if so, is the port with the red cap in 2nd picture a good destination? If not, where to dump it? I think my only other vacuum source is the brake source on back of the manifold. Appreciate your counsel.
06-11-2012, 10:27 PM
#2
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that's where its at on a ls1 intake, imagine that would be it, I wouldn't run constant vacuum to the canister, I would run a purge valve with the ecm giving the signal to turn on and off, if you don't have the factory evap system then why are you trying to keep evap, if the evap system is turned off vent the tank outside.
06-12-2012, 03:31 AM
#4
You should keep the purge solenoid and it's control with the ecu if you're venting to the intake. Otherwise I would suggest vent to the inlet tube before the MAF. With a combination of different tank, gas cap, vapor condensor, canister, etc, you dont want unmetered air flowing into the intake as a vacuum leak all the time.
06-12-2012, 09:15 AM
#6
You should keep the purge solenoid and it's control with the ecu if you're venting to the intake. Otherwise I would suggest vent to the inlet tube before the MAF. With a combination of different tank, gas cap, vapor condensor, canister, etc, you dont want unmetered air flowing into the intake as a vacuum leak all the time.
06-12-2012, 11:18 AM
#7
I removed the EVAP solonoid, and then connected the vent line from the Tank to the Carcoal Canister, then the port on the Can that is marked Vac to the EVAP port on the Intake for a vacumn.
I plugged the port that is marked PCV, I let the vapor disapate through the carcoal canister. I know I should be connecting that canister port to the PCV tube to let it get sucked in while driving. manybe one of these days. But I am to lazy to go and get a tee to connect it into the larger PCV tubing.
BC
I plugged the port that is marked PCV, I let the vapor disapate through the carcoal canister. I know I should be connecting that canister port to the PCV tube to let it get sucked in while driving. manybe one of these days. But I am to lazy to go and get a tee to connect it into the larger PCV tubing.
BC
