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Old 02-21-2015, 05:01 PM   #14
mechanicalman
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Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
Re: Fuel Pressure Issues

Quote:
Originally Posted by Fitz View Post
His carb is an Edelbrock...notorious for their sensitivity to fuel pressure. At an RCH over 6 psi you DO blow the needle off the seat. The mixture was likely adjusted too lean to overcompensate so...add a regulator and Voila....won't start because it's now too lean. Gewt out a vacuum guage and reset the mixture, read the plugs and repeat until it's right.
He did add a regulator, and is set at 5.5 psi.

I agree to re-set the idle mixture and give it a go. But why does he have to wait until it goes to 0 fuel pressure for the problem to exhibit itself? The devil is in the details.
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