Chevy’s $hi#y Fuel Filtration??? [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Chevy’s $hi#y Fuel Filtration???


mpdlt
11-10-2004, 01:56 AM
Guys, I really don't want to beat a dead horse or catch a lot of flames,


BUT, IF YOU'RE DEPENDING ON THAT JOKE OF A FUEL FILTER TO PROTECT YOUR DMAX, YOU'VE GOT A RUDE AWAKENING COMING.http://dieselplace.com/forum/smileys/smiley11.gif


I just changed my fuel filter for the first time, at 19,777 miles and as I took off the old filter, I got weak in the knees. It had a huge glob of gunk on top(clean side?) http://dieselplace.com/forum/smileys/throw%20up.gif and several ounces of water in the bottom. This is my truck and I take great pains to buy the cleanest fuel possible. I even carry a qt. mason jar to inspect the fuel before I pump it in the tank( It's a long story, don't ask)


Chevy/GMC should get smart and issue a recall for the fuel filtration and stop extending injector warranties.


What I really need,, and yes I've searched already, is a good pre/oem set-up with pics. A web address would be great. I've seen a couple, I want one that works and is not a PITA to install. Comments and ideas welcomed.


Thanks,


Doug


Edited by: mpdlt

jholly
11-10-2004, 02:37 AM
First off, at 19,777 your 4,777 miles past change interval. As for filters, get close and friendly with the search function or spend a bit if time checking out the sponsoring vendor sites, or even the site owners site. Lots of stuff out there.

By the way, the top is the dirty side.

I wonder why everyone calls a 2 micron Racor filter a joke? Yet they are happy to spend $300 to install a 2 micron racor and feel they have a good filter.

Jim

Bronco
11-10-2004, 09:55 AM
Guys, I really don't want to beat a dead horse or catch a lot of flames,


BUT, IF YOU'RE DEPENDING ON THAT JOKE OF A FUEL FILTER TO PROTECT YOUR DMAX, YOU'VE GOT A RUDE AWAKENING COMING.http://dieselplace.com/forum/smileys/smiley11.gif


I just changed my fuel filter for the first time, at 19,777 miles and as I took off the old filter, I got weak in the knees. It had a huge glob of gunk on top(clean side?) http://dieselplace.com/forum/smileys/throw%20up.gif and several ounces of water in the bottom. This is my truck and I take great pains to buy the cleanest fuel possible. I even carry a qt. mason jar to inspect the fuel before I pump it in the tank( It's a long story, don't ask)


Chevy/GMC should get smart and issue a recall for the fuel filtration and stop extending injector warranties.


What I really need,, and yes I've searched already, is a good pre/oem set-up with pics. A web address would be great. I've seen a couple, I want one that works and is not a PITA to install. Comments and ideas welcomed.


Thanks,


Doug








Your fuel filter was almost 5K over due. Try changing around 8-10 K for best results. Good thing all of that junk and water was in your filter and not in your motor.


Fuel quality test performed here at this site prove beyond any doubt that the factory filter is actually very effective. It is almost 99% effecient removing anything larger than 10 Micron. It is a little less effecient in the 7-10 micron range. Below 7 Micron is where is does start to show it's weakness.


Good thing 7 micron and smaller is not even visible without a microscope.


ON EDIT: Sorry I forgot the pre OEM filters you aksed about.


The Nicktane ( owner/operator of this site) is a straight forward pre OEM. NO wires, No water, No heater. Just very fine, effecient filtering.


The Lundy ( lubrication specalist) Racor set up is another option. It can be outfitted with heater and water separator. Edited by: Bronco

BamaFan
11-10-2004, 10:08 AM
I wonder why everyone calls a 2 micron Racor filter a joke? Yet they are happy to spend $300 to install a 2 micron racor and feel they have a good filter.

Jim


The stock Racor is not a 2 micron filter.

gardnerteam
11-10-2004, 10:14 AM
My 02 D/A ran 73,000 miles while I owned it on the worst fuels possible: Mexican crud (might be crude), Guatemalan cheap (95 cents a gal), bottom of 55 gal rusty barrel middle of nowhere in Central America smelling like rotting banana's (another story - maybe at bottom of this), farm fuel from old below ground rusty tanks, and cardlock fuel. Fuel filters changed RELIGIOUSLY at every 6,000 miles when operating in bad fuel conditions and every 9,000 miles when operating out of my own treated overhead highway fuel storage tank. Never had a fuel problem. Cut open my filters often - mildly dirty to very dirty. I did have 2 injectors crack and drove the vehicle back 3500 miles while filling the crankcase with diesel, but that was not a filtration problem. Point to this - change your filters OFTEN and you will not have problems with the stock filtration. Anything over 10,000 miles is playing with dynamite.


As to the banana story, in the Peten Jungle in the chichlero camps deep in the jungle, they mix their diesel used for logging equipment with a banana mash or homemade moonshine made out of bananas. You can smell it coming out of the exhaust of their crude homemade equipment. They say they have been doing it for years. The first to use bio fuel?Edited by: gardnerteam

mpdlt
11-10-2004, 10:27 AM
Jholly,


I'm glad the top is the dirty side, my brain fart, but two ounces of water, and NO WIF warning, is totally unacceptable. Frod's PS system would send a warning if you had as little as two or three drops! I don't think I'll run any more racor filters, thus the request for info on different filter systems.


Nicktane, with the new fittings is looking better.


BTW I thought my manual said 25K on fuel filter change, but yall said I was 4777 over on the mileage, so I went and re-checked the manual and I must have been looking at the metric 24km. Thanks


Bronco, I'll never believe that some of that water and ick didn't make it to the injectors.


OVERALL POINT I"M TRYING TO MAKE IS,, "EVEN IF YOU"RE VIGILANT, YOU"VE STILL GOT POTENTIAL PROBLEMS" DOUBLE FILTRATION IS A MUST.


Doug

jholly
11-10-2004, 11:07 AM
The stock Racor is not a 2 micron filter.
Others that are knowledgeable have stated on the forum that the factory racor is 2 microns. You have a spec sheet or something that says otherwise?

Jim

Heartbeat Hauler
11-10-2004, 11:46 AM
I believe the OEM Racor filter is called a 2 micron, but at only 50% efficiency. From what I have read/been told it is 95-98% efficient at 5 microns. The add-on filter systems have a higher efficiency rating at the smaller micron level. My $.02 worth.


JP

dmaxalliTech
11-10-2004, 12:13 PM
at 19k your over 9k past in my book..


Sounds like some bad fuel also. Might try a good additive to take care of the crap too. Unfortunatly, all the filters in the world arent seeming to help much in the battle of the injectorshttp://www.dieselplace.com/forum/smileys/smiley7.gif

RonJT
11-10-2004, 01:46 PM
mpdlt,


Your point about the OEM not detecting water is a critical one. I do believe that is an indication of design compromises for cost. I think RACOR does make good filters--but our OEM is made for GM according to GM's cost constraints.


Back to the water--that is why I have both the Nictane and Greg's kit(Racor) installed.


The Nictane for volume 2um filtering and Greg's kit for a better water sensor.


Your water sensor should have tripped--and it did not. That is a big problem and is why I went to another water sensor.

mpdlt
11-10-2004, 06:49 PM
Ron are you running a seperate lift pump to push/pull that extra load on the system?


Doug

RonJT
11-11-2004, 06:23 PM
mpdlt,


Currently no--but I plan too--just have not gotten to it.


The fuel system works fine for my driving--but I am stock--no power enhancers--yet.


If you look at the CAT/R60S--very little pressure drop per the datasheets on the filters.

mpdlt
11-11-2004, 08:57 PM
Ron


I don't have any performance mods either and was initially concerned about fuel pressures with a second filter. Do you know if that CAT R60S is the filter in the Nicktane kit?


Also FWIW I cut open my filter today and it was not in as bad of shape as the goo on top indicated it might have been. But I'm still bugged about the water.


When I was running a PSD we had several that blew injector tips off when water got all the way through. Those owners told of a tremendous bang when those tips exploded. Most of those guys were power maxed with NOS/propane etc.


Doug

RonJT
11-11-2004, 10:31 PM
mpdlt,


Yes water slugs is a killer for us--which is why the water seperator should work well-I think the OEM lacks badly.


The actual filter(s) are: CAT is a Caterpillar filter 1R0749 high efficiency filter--we always refer to it as the 'CAT'. This is the filter that comes with the kit. You can also use a new baldwin High efficiency filter BF7587--just came out. I use the baldwin because it is easier for me to buy--around 10.00 plus tax.


The Racor is a R60S--'S' meaning 2um efficiency. I get those from Greg on his website along with the OEM filter(warranty). Cost for Racor around $24.00 and OEM $18.00 plus shipping.


Hope this helps.

HD-Nate
11-12-2004, 03:10 PM
Running stock Racor's in mine since new.


46+k on the clock, changed every 10k, no problems.


First tank, (from the dealer of all places) my WIF light went off. Took it back to the dealer, they pulled the filter and found only 1 teaspoon of water in the filter. I stood next to him when they pulled it.


I checked the WIF and drained it for the rest of the tank and have not found any since. So normally, they do work. I'm sure they get a bad one every now and then.