fuel pressure regulator question

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fuel pressure regulator question

Post  cooter on March 6th 2014, 11:01 pm

What happens if you do not hook a vacuum line to the fuel pressure regulator? Will it still work?

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Re: fuel pressure regulator question

Post  rmcomprandy on March 6th 2014, 11:12 pm

cooter wrote:What happens if you do not hook a vacuum line to the fuel pressure regulator? Will it still work?

It will work but, bot the way it is supposed to work.
The vacuum line on a fuel pressure regular is there to always keep the fuel pressure drop across a fuel injector the same because one side of the injector sees manifold vacuum.
With a carburetor, that line should simply be atmospheric pressure.

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Re: fuel pressure regulator question

Post  cooter on March 10th 2014, 9:49 am

thanks randy

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