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Old 09-22-2011, 12:10 PM
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Upgrading mechanical to electrical fuel system

I found a 2002 municipal bus with a 7.3 in it. Someone has already yanked out the driver side injectors because there was enough clearance.

I'm curious about the fuel bowl. What items do I need off this thing to have an electric '99+ style system? The clearances are mighty tight, but I think I can get the fuel bowl off. Getting stuff from below is going to be mighty difficult considering it's in a van setup and setting on the front axle.

Are dual-shot injectors worth upgrading to?
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Old 09-22-2011, 12:22 PM
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Split shot injectors... an upgrade? Split-shots are a downgrade, my friend. And it would take a custom-tune to make this down-grade of a mod work.
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Old 09-22-2011, 01:46 PM
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Quote:
Originally Posted by 85_305 View Post
Split shot injectors... an upgrade? Split-shots are a downgrade, my friend. And it would take a custom-tune to make this down-grade of a mod work.
I know they're not capable of the flow the single-shots are capable of, but I've heard that they run smoother at stock horsepower? Worth it? It doesn't matter... four of them were yanked and thrown into someone's pocket in the yard. If I shell out bread for injectors, it will be for a set of stage1 rebuilds.

Where is the electric fuel pump on the '99+ setups? Does the fuel bowl need to come with it for regulation purposes?
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Old 09-22-2011, 02:07 PM
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They run smoother and are quieter. But you'd still have to have a few hundred dollars worth of retuning to get them to work on your OBS.

Cant answer your regulated return question.
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Old 09-22-2011, 04:38 PM
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The fuel pump should be somewhere on the frame rail. Follow the fuel lines and you should find it.
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Old 09-22-2011, 06:08 PM
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Get the pump, get an in line filter setup with water separator, get an aftermarket FPR, ditch the stock fuel bowl... Might cost you a little more in the long run but you will have many more problem free and happy miles...

Last edited by STROKED_NY_023; 09-22-2011 at 06:11 PM.
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Old 09-23-2011, 05:22 PM
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Quote:
Originally Posted by STROKED_NY_023 View Post
Get the pump, get an in line filter setup with water separator, get an aftermarket FPR, ditch the stock fuel bowl... Might cost you a little more in the long run but you will have many more problem free and happy miles...
Couldn't have said it better myself.

Make sure you get a pre-pump fuel/water separator and post pump filter setup.
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