Once you add the 2nd vapor circuit and run the additional line up to the charcoal canister... What happens there? Do you T the two lines together into the existing charcoal canister? (Would that create the same restriction) Or do you add another charcoal canister for the added line? You never finished that thought Jim.
Gday, I just finished doing all my lines on my 78' GMC. Now mine is a California coach with 2 x cannisters BUT my AUX cannister had a faulty vaccum valve on the purge...so I happen to have one from my 1980 Trans Am (After the LS swap). Both lines from the vapor seperators run to each cannister then the purge line from Primary goes to the PCV line, the secont cannister purge line goes to the vacuum port on the front /lower left of the carby base. This is according to the original manual connections so each cannister has its own vacuum port on the carby. Let me know if this makes sense
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Good stuff as always Jim!!
Once you add the 2nd vapor circuit and run the additional line up to the charcoal canister... What happens there? Do you T the two lines together into the existing charcoal canister? (Would that create the same restriction) Or do you add another charcoal canister for the added line? You never finished that thought Jim.
Useful knowledge as always, thanks Jim.
Gday, I just finished doing all my lines on my 78' GMC. Now mine is a California coach with 2 x cannisters BUT my AUX cannister had a faulty vaccum valve on the purge...so I happen to have one from my 1980 Trans Am (After the LS swap).
Both lines from the vapor seperators run to each cannister then the purge line from Primary goes to the PCV line, the secont cannister purge line goes to the vacuum port on the front /lower left of the carby base.
This is according to the original manual connections so each cannister has its own vacuum port on the carby.
Let me know if this makes sense