fuel pump.

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Oct 25, 2004 | 09:22 AM

#16

gatesj

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Joined: Dec 2002

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From: Remsen, NY

Quote:

Originally Posted by 88'f150_300

Actually, the 300's have a low pressure fuel pump in the tanks and a high pressure one on the frame right under the driver door. The one in the tank just keeps the high pressure pump from having to work so hard.

Yes, sir, right up until 1989. My 1991 F-150 with the I-300 has only two high pressure in-tank pumps, so does my 1995 F-150 with the 351w. I don't think it mattered as long as it was a gas engine.

Oct 25, 2004 | 09:23 AM

#17

gatesj

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Joined: Dec 2002

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From: Remsen, NY

Quote:

Originally Posted by rdeschenes2002

Thanks to everyone who replied to my post, i am just going to leave it and see what happens. keep you posted.....

If it gets louder suddenly that's a warning. But a quiet smooth hum is just fine.

Oct 26, 2004 | 06:00 PM

#18

great300

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Joined: Jul 2004

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They updated them in the 90`s . Each tank has a high pressure pump. No pump on rail. These pumps push fuel rather than (pull)... hope you got everything done!!!Todd