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Author Topic: fuel vapor canister  (Read 2610 times)

gpday06

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fuel vapor canister
« on: August 10, 2006, 03:11:00 PM »
what exactly do the fuel vapor canisters do? i believe that they just take the vapor concentrate it into a fuel and send it to the carb to be burnt, but im not sure, and since i have a 79 with dual tanks i dont have to worry about emissions, so could i just bypass them some how?

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Offline DnStClr

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Re: fuel vapor canister
« Reply #1 on: August 10, 2006, 07:28:00 PM »
That's what it does, but the vapors don't concentrate into a liquid.  The vapors are drawn into the carb or intake manifold (if tbi) by vacuum so they can be introduced into the burn cycle. Removing the cannisters isn't necessary, even tho a lot of us do it.. It helps clean the air by not allowing the unburned fuel to release into the atmosphere.

Don St.Clair
Culleoka Tn

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Don
87 Chevy Silverado

Offline 123 pugsy

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Re: fuel vapor canister
« Reply #2 on: August 11, 2006, 06:15:00 AM »
Also helps to vent the tank.

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Pugsy
76 C10 LWB
TPI 350

gpday06

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Re: fuel vapor canister
« Reply #3 on: August 11, 2006, 02:32:00 PM »
thanks, thats what i needed to know

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