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  #31  
Old 01-04-2007, 03:08 PM
SwampYankee's Avatar
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I'm glad this post bubbled up to the surface! Coming from the 'better safe than sorry' club, I'll definitely be doing this install.

Thanks, SUNRG. Great write up & pics, too!

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  #32  
Old 01-04-2007, 03:19 PM
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filter

Thank you for referring me to this filter. I purchased one and I purchased the 150W heater that you install in the housing. Add a 12v fuel pump & injector line heaters and that should be enough to run 100% veggie oil through. I'll try it and see if it works good. Should extend for a long time the life of my primary, and secondary stock filters on a single tank system.
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  #33  
Old 01-04-2007, 04:02 PM
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Is water in the fuel a concern with diesel fuel? I believe most gas pumps now have a hightech filter at the pump to remove water. If you put on the gas cap and it seals then is their any reason to worry about water in the fuel?
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  #34  
Old 01-05-2007, 01:10 PM
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Quote:
Originally Posted by NoCalMer View Post
Is water in the fuel a concern with diesel fuel? I believe most gas pumps now have a hightech filter at the pump to remove water. If you put on the gas cap and it seals then is their any reason to worry about water in the fuel?
many, probably most people are not concerned. but, this inexpensive upgrade has the potential to protect and some expensive equipment, prolong equipment life and improve the OEM filter's lifespan and efficiency. Also - check this out: http://www.**************.com/node/2156

a little excerpt:
Quote:
I have become a strong believer that every Mercedes diesel engine should have a water separator installed ahead of the factory fuel filter. This belief has increased over the past few years as I have had the opportunity to disassemble an increasing number of failed diesel injection pumps and fuel injectors. It doesn't take one long to see the evidence of water damage inside a fuel injection pump. Initially you might spot small areas of rust around many of the steel parts particularly the delivery valves at the top of the pump. Upon closer inspection you may begin to see the areas of scoring on the moving parts and this is generally due to a lack of lubrication caused by dirty fuel or water in the fuel.
Quote:
Originally Posted by rrgrassi View Post
I just purchased one and will do the install according to your directions. Great write up. Only problem is I did not pay attention to the filter, so the stock 150 microns is being shipped. Still, including shipping, total came to $52 from the company you listed the link for.

Thanks for all the great info!
$52... did you get the 150 prefilter that comes with the clear bowl? the 150 should work well and when you change the filter you can replace it with a 30.

Quote:
Stanadyne FM100 30 micron pre-filter water seperator assembly (3/8" NPT ports)
go to www.reliableindustries.com or call 800-693-4583, order part#33641 - LINK for a measely $32.68
Clear Bowl Water Reservior Option:
you can see in the pics that i have an additional clear bowl water reservior installed. this is an easy screw-on option - part#29899 $26.96 from reliable.
the 4.3" element that comes with the assembly is part#31865 - $11.17
a 6.0" replacement element is part#31869 - $13.06
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Last edited by SUNRG; 01-05-2007 at 01:16 PM.
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  #35  
Old 01-05-2007, 01:25 PM
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Quote:
Originally Posted by NoCalMer View Post
Is water in the fuel a concern with diesel fuel?

I think stations and distributors make some attempts to separate water prior to dispensing in your fuel tank. I don't know how serious these efforts are. Problem is, condensation builds up and there isn't much you can do to halt that. SUNRG is on the right track with this on-board separation system. I had a similar system installed on a new Olds diesel I had (years ago) at the strong recommendation of the factory mechanic I used. Much to my surprise, the separator was catching water all the time. Granted, it wasn't a lot, but it was ever-present. I think the unit was mfd by Stanadyne and it had a clear glass site bowl making inspection quik 'n' e-z.
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  #36  
Old 01-05-2007, 03:34 PM
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It is impossible to have fuel that is "too clean". Additional filtration can only help to prolong the life of injection components and increase ability to remove water before it gets to the injection components and does damage. My Chevy has a water drain on the factory filter housing and it produces some water every time I drain it. I fail to see why MB did not offer this. RT
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  #37  
Old 01-05-2007, 05:42 PM
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1981 300 SD
 
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I did it too

I made pretty much the same modification after first reading this thread, but I used a Goldenrod Water Block spin on filter from Northern Tool.

IIRC, less than $20 for the unit with a filter and then less than $10 for a spare filter.

If nothing else, a little peace of mind. If there's any down side it's that I now have another spare filter to carry around with me.
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  #38  
Old 01-06-2007, 09:55 AM
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Quote:
Originally Posted by firemediceric View Post
I made pretty much the same modification after first reading this thread, but I used a Goldenrod Water Block spin on filter from Northern Tool.

IIRC, less than $20 for the unit with a filter and then less than $10 for a spare filter.

If nothing else, a little peace of mind. If there's any down side it's that I now have another spare filter to carry around with me.
i'm pretty familiar with the filters at NorthernTool and i'd love to see how you've set it up - can you post a pic?
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  #39  
Old 01-06-2007, 10:27 AM
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All the Japanese diesel engines commercial or domestic come with water separator, I have installed a seperate Bosch seperator from day one I owned my vehicle, don't regret it, 75000 miles and engine is smoke free with 1/4 turn start in any weather.
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  #40  
Old 01-06-2007, 10:50 AM
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1981 300 SD
 
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I'm at work and I can't post a pic today, but here's how I did it:

I mounted the unit to the fender so it sits a little behind and above the glow plug reley. I fabricated my mounting bracket out of some heavy duty plastic with the help of a sabre saw and a heat gun. Somethng out of metal may be better, but this is what I was able to do at the time with what I had on hand. The unit just sits in a cut out in the plastic. This allows me to slide the unit and filter out of the bracket should I want to for any reason.

The unit I got has 1" inlet and outlet. I had to use a brass fitting that is barbed at one end to accept the fuel line and is 3/4" male thread at the other end. This threads into a PVC bushing that is 3/4" female to 1" male. The bushing then goes into the filter head.

I ran fuel line from the plastic pre-filter to the waterblock and then continued the fuel line out of the other side of the waterblock onto the pump.

I did this install at the beginning of December and I don't have any complaints yet.
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Pictures of the MB: http://s230.photobucket.com/albums/ee41/EricandRobyn/1981%20Mercedes/

1981 300 SD with a Goldenrod water block and Injetor line heaters. EGR is missing

1999 F-350 with HP X-over, Dahl 100 Fuel Filter, Coolant by-pass filter, CCV mod, Tymar intake.

Both on single tank WVO blend
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  #41  
Old 01-08-2007, 10:58 PM
1984 300d
 
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Veggie filter

I recently installed the FM100. It was extremely efficient at filtering the diesel from everything else. The SVO collected in the bowl, plugged the filter and starved the engine from fuel . There was no water in the collection bowl, only veggie oil! All of the fuel was water filtered in the garage using a goldenrod before going in the tank (I had drained the tank in order to replace the fuel lines, so 100% of the fuel was de-watered and well filtered)

Any one have this happen to them?
I have sent an email to the company asking for clarification, with no response.
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  #42  
Old 01-09-2007, 11:25 AM
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mmmmmm Diesel...
 
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I just got mine yesterday. $58 total, including shipping. I did get the 150 micron filter, so I will change that out. But, for the $58, that included the water bowl at the bottom of the filter. Now to get the bolts, fittings and fuel lines...an install!

The filter does say diesel fuel only. I do not think this will work with WVO, but it should work with Bio diesel.
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Last edited by rrgrassi; 01-09-2007 at 11:30 AM.
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  #43  
Old 01-09-2007, 11:31 AM
1984 300d
 
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Location: Austin, TX
Posts: 102
Stanadyne Response

Here is a response from the manufacturer about using Veggie oil, and thermostat settings:

QUOTE...
Without more knowledge of the problem itís difficult to say what could have happened.
However here are some generic statements that can be said:

1. Vegetable oil fuels have well documented issues with quality, stability, oxidation, water absorption, cloud point and point pour deficiencies. With that in mind my first guess would be the problem stemmed from the quality of the fuel he is adding. Especially at 80% content, I would not trust the reliability of the fuel.

2. The filter media is not capable of separating DF2 from vegetable oil fuels therefore the separation process would have definitely begun prior to coming into contact with the filter paper. My guess is the vegetable oil fuel began to gel or become too viscous to flow thru the media, whereas the DF2 with the proper additive packages for stability and temperature resistance would not have began to gel and was still able to flow.

3. Furthermore, is he adding our filter to the existing filter on the car? The increased pressure loss of a redundant filter has the potential to create fuel restriction problems if not installed correctly for the application. Regardless of any fuel gelling problems, any improperly design filter system has potential for some problems. I would recommend if he has any questions to talk to one of our applications engineers.

4. As far as the heater goes, the thermostat is not capable of being changed since it is built into the heater and will automatically regulate itself. Depending on what heater he has here are the following on/off temperature cycles.
a. 100 Watt heater: On at 58˚F, off at 85˚F
b. 150 Watt heater: On at 42˚F, off at 75˚F

...END QUOTE
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  #44  
Old 01-09-2007, 04:16 PM
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mmmmmm Diesel...
 
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I wonder if there is a Goldenrod equivalent...
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70's Southern Pacific #5608 Fairmont A-4 MOW car

06 VW Jetta TDI 133K miles-replaced the other '06 that quit after 300k miles. (did not catch the bad cam in time)

91 W124 300D Turbo replaced, Pressure W/G actuator installed. 195K

90 Dodge D250 5.9 Cummins/5 speed. 400K
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  #45  
Old 01-10-2007, 07:16 PM
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Has anybody tried using this filter for 100% Waste Vegetable Oil? Thats what I bought it for. I would like to hear some feedback before I install it.

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