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Old 04-12-2006, 10:53 AM
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Default Re: Fuel Pressure Readings
My old motor (worked 502MAG) ran 45psi
I ran a red aeromotive pump and had to increase the stock pick-up to a 3/8th to hold 45@wot.
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Old 04-12-2006, 10:55 AM
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Default Re: Fuel Pressure Readings
Base motor was a '98 but like i said it was modified.
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Old 04-12-2006, 11:04 AM
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Default Re: Fuel Pressure Readings
Originally Posted by BGIII
No they are not but I am sure that they started in the 40's. Are you putting an adjustable regulator on or just concerned that you may have an issue?
I'm thinking I MAY be running too rich.
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Old 04-12-2006, 01:31 PM
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Default Re: Fuel Pressure Readings
Manual on the way! Should be here tomorrow.
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Old 04-12-2006, 09:03 PM
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Default Re: Fuel Pressure Readings
Manual states 34psi at idle for VST system.
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Old 04-13-2006, 09:19 AM
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Default Re: Fuel Pressure Readings
Originally Posted by insptech
Manual states 34psi at idle for VST system.
Mine is a 1999 with the cool fuel system.
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Old 04-13-2006, 01:19 PM
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Default Re: Fuel Pressure Readings
Just got my manual. It states 43lbs for MEFI3 with cool fuel.
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