How to run a Carb car off gas can? - LS1TECH - Camaro and Firebird Forum Discussion

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How to run a Carb car off gas can?

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Old 07-10-2018, 02:50 PM
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Default How to run a Carb car off gas can?

I'm looking to pick up a 1969 Impala with a 327 in it. The gas tank is currently not on the car but I want to start the car and see how she runs before buying it.

Can I just take some hose, connect it to the intake and return ports on the carb and just dunk the hoses in a jerry can?
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Old 07-10-2018, 03:05 PM
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Return port on a carb??? Just inlet, and you'll need a pump. Don't you know how cars work??
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Old 07-10-2018, 03:33 PM
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If you can get gas into the float bowls, it can start and run for a short time. (15 seconds, maybe) Use the vent tubes to fill them up, but I guess the problem is that you can overfill them.
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Old 07-10-2018, 04:41 PM
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Old 07-10-2018, 06:22 PM
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Ho man that is exactly the video I was thinking of. Don't do that

You need some way to pressurize the carb. Either a fuel pump or get the source high to gravity feed (like a lawn mower)

If you just want to check for knocks and such just fill the bowls through the vent using a syringe or squirt bottle of some sort. I once drove a car home a half block at a time that way.
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Old 07-10-2018, 07:34 PM
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Originally Posted by fayzee View Post
I'm looking to pick up a 1969 Impala with a 327 in it. The gas tank is currently not on the car but I want to start the car and see how she runs before buying it.

Can I just take some hose, connect it to the intake and return ports on the carb and just dunk the hoses in a jerry can?
Fill the carb bowls with fuel
Connect a hose from gas can to the rear (inlet side) of fuel pump
Crank to start
Once its running, it should pull fuel from gas can
Good to go
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