C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Apr 20, 2018 | 01:15 AM
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martys76
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Default Vacuum Canister

i would like to install a Vacuum Canister
so that my head lights will be able to go down when car is not
any idea i have a canister just not sure were to install it
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Old Apr 20, 2018 | 08:14 AM
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Alan 71
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Hi m,
Your car already has vacuum storage capacity so the lights can be open with the engine not running. Is that part of the headlight system not working?
Might you want to try to get it to function.... or do you just want to install another tank?
Regards,
Alan
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Old Apr 21, 2018 | 01:50 AM
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there is along tube which is part of the frame i will have to check is it hold vacuum
is there a valve that is to keep vacuum
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Old Apr 21, 2018 | 07:48 AM
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Hi M,
68-72 cars have a rectangular vacuum storage tank mounted on the rear side of the driver's side apron.
On 73-79 cars the large tube behind the front bumper is used for vacuum storage.
80-82 cars have a storage tank that looks like a large coffee can mounted between the headlights.
Regards,
Alan
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Old Apr 21, 2018 | 10:49 AM
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Originally Posted by martys76
i would like to install a Vacuum Canister
so that my head lights will be able to go down when car is not
any idea i have a canister just not sure were to install it
What are your expectations on being able to put the lights up/down after the car is cut off? The time envelope available for operation after shutting off the car is limited to the capability of the canister, valve, and hose seals.
I have one where it'll still function a few hours after shutdown and another that's only good for 15-20 min.
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