fuel pressure regulator question

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fuel pressure regulator question

Post  cooter on Fri 7 Mar 2014 - 0:01

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 Fri 7 Mar 2014 - 0:12

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 Mon 10 Mar 2014 - 10:49

thanks randy

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