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Old 11-07-2012, 11:33 PM
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fuel pump

I am on my third air dog ll and this one started sounding like a garbage disposal after about 3000 miles, the second one lost pressure after about 2000 miles. What pumps are you guys using with B100? The factory pump quit at 90,000. I like the ease of filter change out with the air dog.
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Old 11-08-2012, 07:40 AM
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I am on my second fuel pump, it's a heavy-duty from NAPA.that was about 12000 miles ago at 160,000.
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Old 11-08-2012, 09:22 AM
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Problem is, mine is a 6.0 and requires a minimum of 45 psi. What does the 7.3 require? Federal Mogul (Carter) makes a brushless inline that is rated for B100 but I can't find specs on it.
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Old 11-08-2012, 06:15 PM
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no idea, sorry.
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Old 11-08-2012, 09:08 PM
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B100 is probably to thick on that pump and it just eats it up. Try a mixture of like 80/20 on a new pump and watch it last a very long time. Also what filter do you use
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Old 11-08-2012, 11:28 PM
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The first air dog lasted 75000 miles, the reason it quit was that when I took it to a motor rebuilder, he discovered that the springs that put pressure on the brushes were installed backwards and that only allowed only about 20% pressure on the commutator which in turn generated heat which is not good on any motor. I had him rebuild it and that is my emergency spare. The filter I run on it is a Wix 6 micron at the pump and the factory 2 micron in the engine compartment. If anyone has any idea where to buy just that small 2 micron filter, I would like to know. My final filtering of my bio is 1 micron nominal. The absolute filters are very expensive but I have gone as much as 20,000 miles on one filter.
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Old 11-09-2012, 03:37 AM
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I gave up on the FASS pumps. They are noisy, have a limited lifespan and cost too much to rebuild.

The stock PSD pump is rated for 110psi and is more than adequate to pump any fuel that has a low enough viscosity to work good in your truck. The 7.3 fuel pressure regulator is in the fuel bowl, so as long as you supply enough volume to it - it's fine. Not sure about 6.0 regulator. NONE of these high volume/high pressure pumps like restriction pre-pump. Many people make the mistake of putting a 'primary-type' filter in front of the pump - this results in poor performance and short pump life... That said, the 'Hutch' in-tank mods are eventually required on all of these trucks (7.3's anyway) to eliminate the strainer/filter in the tank. Just use something like WIX 33972 in front of pump (all this filter does is protect the pump).

Here's a Made in USA 7.3 pump for $40 shipped - with a lifetime warranty:
New Fuel Pump Installation Kit Ford Pickup Van 7 3L Diesel E2236 | eBay

Not sure how they hold up yet, but know a few people using them in SVO conversions right now...
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Old 11-09-2012, 09:23 AM
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I have 4,000 miles on one of those $40 pumps. So far, so good.
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Old 11-09-2012, 10:10 AM
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Quote:
Originally Posted by kirkharrod View Post
I have 4,000 miles on one of those $40 pumps. So far, so good.
Good to know! Thanks Kirk!!
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Old 11-09-2012, 10:10 AM
 
 
 
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