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LS1 into 1980 C3 Corvette, Fuel vapour canister requirement?

This is a discussion on LS1 into 1980 C3 Corvette, Fuel vapour canister requirement? within the LSx Retrofit and Swap forums, part of the LSx Technical Help Section category; Hi All Not sure if anyone has been down this road but I am installing an LS1 into my 80' ...

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    Junior Member mysticpete's Avatar
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    LS1 into 1980 C3 Corvette, Fuel vapour canister requirement?

    Hi All

    Not sure if anyone has been down this road but I am installing an LS1 into my 80' vette and wondered if I still need to keep the vapour canister setup that was standard in all the late C3's?

    Thanks in advance

    Pete

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    Moderator Firebirdjones's Avatar
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    I assume you're talking about the purge cannister, vapor cannister, charcoal cannister, it has alot of different names.

    You only need to keep it if you have emissions tests or checks over there. If you don't have the inspections it can be eliminated if you wish. However that's how the tank vents, so if you eliminate the cannister you have to give the tank another way to vent to atmosphere, with either a vented gas cap, or some other form of vent hose off the tank.

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    Junior Member mysticpete's Avatar
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    Talking

    Quote Originally Posted by Firebirdjones View Post
    I assume you're talking about the purge cannister, vapor cannister, charcoal cannister, it has alot of different names.

    You only need to keep it if you have emissions tests or checks over there. If you don't have the inspections it can be eliminated if you wish. However that's how the tank vents, so if you eliminate the cannister you have to give the tank another way to vent to atmosphere, with either a vented gas cap, or some other form of vent hose off the tank.
    Thanks for this info firebird jones, that's exactly the answer I was looking for

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