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Old 07-12-2011, 12:22 PM
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Default Fuel Pressure

What is the fuel pressure supposed to be in an '87 Grand National with everything still stock?
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Old 07-12-2011, 01:28 PM
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Post Re: Fuel Pressure

http://www.gnttype.org/maint/quickref.html

~33-34 PSI with the vacuum/boost line removed from the regulator at idle.
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Old 07-12-2011, 10:09 PM
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Default Re: Fuel Pressure

Thanks Keller. Not to seem too dumb, but which one is the regulator?
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Old 07-13-2011, 12:41 PM
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Lightbulb Re: Fuel Pressure

If you have the stock regulator, it will be a black, somewhat cylindrical object on the driver's front edge of the fuel rail. It will have two bolts holding to the rail, and a drain line coming off the bottom, and a vacuum line on the top. It also will have "BOSCH" in white paint screen printed on the side, along with a part number.
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Old 07-13-2011, 06:02 PM
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Default Re: Fuel Pressure

Keller

I found the Bosch part you wrote about. Pressure is fine.
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