Adding a second fuel filter head.
#1
Adding a second fuel filter head.
Since I am running a WMO mix, I feel the need to add a second fuel filter in my 93. I got an old 6.9 filter head and mounted it on a piece of steel, so I could use the existing bolts to mount it forward of the stock filter.
It was suggested that I use a 7.3 filter head instead, so that I could also have the fuel heater that comes with it.
Anyone care to give me their thoughts, as to what would be the better choice? My original plan was to use a NAPA 3403 on the 6.9 filter head, instead of paying $25-35 for the 7.3 filters.
Gary
It was suggested that I use a 7.3 filter head instead, so that I could also have the fuel heater that comes with it.
Anyone care to give me their thoughts, as to what would be the better choice? My original plan was to use a NAPA 3403 on the 6.9 filter head, instead of paying $25-35 for the 7.3 filters.
Gary
#7
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#8
EMD, this is what I have:
Your 6.9 engine has the heater around the line coming from the lift pump to the filter head, you can reused that if you carefully bend the line below and above the heater so its top end is now where the inlet of the new filter head is - I'm still using the stock steel line from there, it's about perfect fit. I have my add-on filter head wire spliced in my stock one, it seems to work fine.
I would also recommend that you use a 7.3 filter assembly, you will have a water separator with it, and an additional heater, but the best part is that you can stack the filters as the 7.3 is a 12-micron and will get rid of the large chunks, while the 6.9 uses a 6-micron filter that will clean the fuel even more.
Your 6.9 engine has the heater around the line coming from the lift pump to the filter head, you can reused that if you carefully bend the line below and above the heater so its top end is now where the inlet of the new filter head is - I'm still using the stock steel line from there, it's about perfect fit. I have my add-on filter head wire spliced in my stock one, it seems to work fine.
I would also recommend that you use a 7.3 filter assembly, you will have a water separator with it, and an additional heater, but the best part is that you can stack the filters as the 7.3 is a 12-micron and will get rid of the large chunks, while the 6.9 uses a 6-micron filter that will clean the fuel even more.
#10
Well, I got the fuel flowing through my old transmission cooler in the bottom radiator tank, it warms up pretty nicely without getting crazy hot like WVO needs to be.
I'd recommend the 7.3 primary and 6.9 secondary filter as the first one will clean up the larger stuff and the second will filter down the smaller particles, so with WMO the filters will likely last longer and filter better.
I'd recommend the 7.3 primary and 6.9 secondary filter as the first one will clean up the larger stuff and the second will filter down the smaller particles, so with WMO the filters will likely last longer and filter better.
#13
#15
I just can't MAKE myself do anything slightly harmful to this truck. It's been used as a truck should but it's also been meticulously cared for since brand new.
If it was just your average 18 year old Dodge I would probably run just about anything in it.
I guess you could say the Ford is "tough enough" to run WMO in because it hasn't caused me any problems yet.
If it was just your average 18 year old Dodge I would probably run just about anything in it.
I guess you could say the Ford is "tough enough" to run WMO in because it hasn't caused me any problems yet.