Fuel pressure - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

 
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post #1 of 3 (permalink) Old 01-04-2019, 06:58 PM Thread Starter
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Fuel pressure

Another question guys, What is the fuel pressure (psi) on these engines. Thinking about putting an electrical pump on and one place says that it's pump at 7psi I will also need a pressure regulator to reduce that. So what is the correct pressure I will need to set it at? thank you Bill
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post #2 of 3 (permalink) Old 01-04-2019, 07:30 PM
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The pressure required is low, if I remember right the engine shop manual call for something like 3-6 or 7.

Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
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post #3 of 3 (permalink) Old 01-05-2019, 12:11 PM
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Quote:
Originally Posted by LMJD View Post
The pressure required is low, if I remember right the engine shop manual call for something like 3-6 or 7.
That's what I thought it was too, but I wasn't sure enough to answer, and didn't want to tell him wrong.

1993 F-350 crew cab non-turbo 5 speed transmission
35 years a mechanic on large stationary engines natural gas and diesel fired, and other industrial equipment.
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