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Engine Specific Info and Questions => TDI Engine -General Info => Topic started by: GTiTDi on March 18, 2012, 08:18:55 am
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I was looking at a soon to be junked 1980 Rabbit Diesel L yesterday. I noticed the fuel filter is a screw on type from the factory. I am sure some high quality filter must be available for this filter head. The size must be similar to something else currently on the market. I thought it would be a cool addition to a later diesel/TDI VW, It would eliminate the need to disconnect fuel hoses when changing the filter, which IMO would extend the life of the hoses.
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It is indeed a common size, it's the same size thread as Cummins used on the B engines, at least for engines equipped with spin-on filters.
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and are there high filtration filters available? I am sure if they are the same size as a B series cummins there are options out there..maybe even a slightly longer/larger filter that would fit the rabbit filter head....
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I had some NAPA filters that would filter down to 5 micron that would spin on the old style filter bracket. I don't know if they had them bigger or not. Plus they didn't have the built in water separator like the rabbit stock ones did.
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It is indeed a common size, it's the same size thread as Cummins used on the B engines, at least for engines equipped with spin-on filters.
Think it would be worth it to us older IDI guys to pick up the bigger Cummins filters? Just asking because, hey, more filtration is better.
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It is indeed a common size, it's the same size thread as Cummins used on the B engines, at least for engines equipped with spin-on filters.
Think it would be worth it to us older IDI guys to pick up the bigger Cummins filters? Just asking because, hey, more filtration is better.
Bigger only means it can filter more before you have to change it, not necessarily more filtering. The lower micron count is the filters filtering capability. So a larger filter with a 5 or less micron element will be the bees knees.
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It is indeed a common size, it's the same size thread as Cummins used on the B engines, at least for engines equipped with spin-on filters.
Think it would be worth it to us older IDI guys to pick up the bigger Cummins filters? Just asking because, hey, more filtration is better.
Bigger only means it can filter more before you have to change it, not necessarily more filtering. The lower micron count is the filters filtering capability. So a larger filter with a 5 or less micron element will be the bees knees.
this is the bees knees:
(http://i702.photobucket.com/albums/ww28/Dubsmoke/P1000522.jpg)
stock rabbit 15 micron filter, with a 2 micron Racor filter ahead of it..
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Dang, ain't that what the VWO guys run? Would make the pump last a long time; how's it affect drivability as compared to regular spin-ons?
And I guess I should have thought about my Cummins filter question, meant to ask comparative filter longevity. I'll look up a pic of the Cummins filter.
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Dang, ain't that what the VWO guys run? Would make the pump last a long time; how's it affect drivability as compared to regular spin-ons?
And I guess I should have thought about my Cummins filter question, meant to ask comparative filter longevity. I'll look up a pic of the Cummins filter.
WVO guys prolly run a much larger filter than that.. my filter is the smallest element you can get for that particular racor base..
next time around, ill be installing the next size larger cartridge, no question..
and it didnt affect drivability at all, because i run a lift pump, so the filters dont act as a restriction, since they are pressure fed..
the only benefit you are going to get from a cummins filter, is (very) extended change intervals. i imagine they filter down to about the same particle size.
one thing i will also add, is that racor, and a few other filter manufacturers make water-blocker filters, that ABSOLUTELY WILL NOT let water get thru them. so it never ends up in your pump either..
but yes, better filtration will DEFINITELY prolong the life of your pump, and especially your injectors.. and being that my pump and injectors was rebuilt very recently, i want to keep them alive for as long as i can, and that 2 micron Racor will sure help with that!
if i had more dollars then sense, i would run TWO rabbit filters in parallel, and then one bigger Racor ahead of them. then you could catch LOTS of junk in the rabbit filters, as well as all the water that would find its way in the system..
the rabbit filter catches most of the particulate matter, and the racor catches the particles between 2-15 micron.. the rabbit filter needs changed more than the racor thank god, because racor elements are like 40 bucks..
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It is indeed a common size, it's the same size thread as Cummins used on the B engines, at least for engines equipped with spin-on filters.
Think it would be worth it to us older IDI guys to pick up the bigger Cummins filters? Just asking because, hey, more filtration is better.
Bigger only means it can filter more before you have to change it, not necessarily more filtering. The lower micron count is the filters filtering capability. So a larger filter with a 5 or less micron element will be the bees knees.
this is the bees knees:
(http://i702.photobucket.com/albums/ww28/Dubsmoke/P1000522.jpg)
stock rabbit 15 micron filter, with a 2 micron Racor filter ahead of it..
Did a bit of reading on the Parker site (Racor's parent company). Is that the 200 Series filter head w/ the R125 filter element (2 micron of course)? That's definitely worht investing in when I get my AAZ rebuilt!
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200 series base with an R-12S element.
cant remember the number of the next larger capacity 2 micron element, but i would not run the R12S, i think the R15S is the same basic 2 micron element, but 50% larger..
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Off topic, but what's that solderless connection plugged into, on the intake?
-Todd
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Off topic, but what's that solderless connection plugged into, on the intake?
-Todd
fan after run module..
if the engine room heats up too hot after you shut the engine off, the rad fan cycles on to cool everything back down..
i really didnt think that connection needed solder, being that it didnt have solder from the factory, and that its not even an important function, and being that its just an on/off signal, and not some resistance signal, that an un-soldered connection could have changed.. so i just crimped a female spade on it and bolted the heat sensor to the intake manifold. that was the closest to the stock location i could get..
gotta remember, this car was natively gasoline powered, so it still has most of the gas wiring in it, besides the actual engine harness..
the heat sensor is usually bolted to the ground location on the rear rail of the valve cover..
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thats cool, so if it catches on fire it will force feed oxygen in there to make it burn quicker? lol, just kidding I have that on my gasser, had no clue what it was, My fan sucks anyways, I had to put a new fan switch in, I picked up a chinese made mahl to put in it. no clue if that switch works, lol, make I will heat it up and see if my fan comes on.
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thats cool, so if it catches on fire it will force feed oxygen in there to make it burn quicker? lol, just kidding I have that on my gasser, had no clue what it was, My fan sucks anyways, I had to put a new fan switch in, I picked up a chinese made mahl to put in it. no clue if that switch works, lol, make I will heat it up and see if my fan comes on.
pull the wire off the sensor, and ground it. if the fan comes on, it works.
if the fan dont come on, then uh...
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Think it would be worth it to us older IDI guys to pick up the bigger Cummins filters? Just asking because, hey, more filtration is better.
Sorry I forgot to respond back when this thread was active but the stock Cummins filter is not actually bigger than the mk1 VW Bosch one. It's smaller. I don't know why. I don't know if there is more filter material in there but I kind of doubt it. There are larger aftermarket filters though.
And what you want to look up isn't a filter from the early Dodge application, those have a water sensor in the bottom, unless you want to include that part in your system. You want to look up a filter for a 5.9 cummins in a non-automotive application, those have a standard water drain on the bottom.
Mile for mile, the filter on my Cummins truck needs replaced more often, I've never had the VW one actually plug up but my Cummins filter has. The Cummins is flowing a lot more fuel through it though.
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good thread, Thanks
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i would also consider adding a Racor, or some sort of small low-micron rating filter between the pump and stock filter..
something like this..
(http://i702.photobucket.com/albums/ww28/Dubsmoke/P1000522.jpg)
the stock filter is 15 micron.. the Racor i added is 2 micron..
NOTHING is getting inside my pump!
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I did some filter cross referencing a few years ago for filters that will fit the Rabbit filter mount.
The Baldwin filter with the 'best filtration.'
BF7772
1 or 2 nominal with a 5 absolute
It's a replacement filter for Case/Gehl Loaders.
It even has a water drain.
(http://catalog.baldwinfilter.com/PartImages/BF7772.jpg)
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I use the mk1 filters on my '83 mTDI vanagon. $7 apiece for filters. 8)
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I use the mk1 filters on my '83 mTDI vanagon. $7 apiece for filters. 8)
thats why i used BOTH a stock, and a racor on mine.. the stock one cloggs most often. its cheapest also..
the racor element is like 25 bucks..
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For only $25, that is not too bad. However.. how often will you clog a 2micron? There is a lot of siht between 15 and 2 micron.. A LOT.
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I'd do as ROR does and run them in series. The stock filter would be in front.
-Todd
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i HAVE NOT had to replace the racor yet.. but ive gone thru a couple OEMs...
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The Baldwin filter with the 'best filtration.'
BF7772
1 or 2 nominal with a 5 absolute
Where are you seeing that micron rating? I looked around and found the filters (fairly cheap) but no filtration claims.... even at the Baldwin site.
-Todd
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The Baldwin filter with the 'best filtration.'
BF7772
1 or 2 nominal with a 5 absolute
Where are you seeing that micron rating? I looked around and found the filters (fairly cheap) but no filtration claims.... even at the Baldwin site.
-Todd
x2. If these claims are true though it would be great to only have to source a 2nd filter boss so I can run the stock and Baldwin filters in sequence like R.O.R.-2.0 does w/ his Racor. And how much is the Baldwin also?
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Baldwins are cheap when you buy them from the Amish guy down the road. Usually 7 dollars or so depending on the filter.
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Where are you seeing that micron rating? I looked around and found the filters (fairly cheap) but no filtration claims.... even at the Baldwin site.
-Todd
I emailed Baldwin directly for data on a handful of filters that fit the thread size on the Rabbit filter mount. Their customer support is fairly responsive if you email them a question.
The other filters I queried:
BF587-D - 5 nominal with a 20 absolute
BF7591-D - 1 or 2 nominal with a 7 absolute
BF1221 - 4 nominal with a 20 absolute
BF1226 - 4 nominal with a 20 absolute
BF1276 - 4 nominal with a 20 absolute
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Where are you seeing that micron rating? I looked around and found the filters (fairly cheap) but no filtration claims.... even at the Baldwin site.
-Todd
I emailed Baldwin directly for data on a handful of filters that fit the thread size on the Rabbit filter mount. Their customer support is fairly responsive if you email them a question.
The other filters I queried:
BF587-D - 5 nominal with a 20 absolute
BF7591-D - 1 or 2 nominal with a 7 absolute
BF1221 - 4 nominal with a 20 absolute
BF1226 - 4 nominal with a 20 absolute
BF1276 - 4 nominal with a 20 absolute
thats the only one i see being any good..
the rabbit filter is a 15 micron absolute.
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Where are you seeing that micron rating? I looked around and found the filters (fairly cheap) but no filtration claims.... even at the Baldwin site.
-Todd
I emailed Baldwin directly for data on a handful of filters that fit the thread size on the Rabbit filter mount. Their customer support is fairly responsive if you email them a question.
The other filters I queried:
BF587-D - 5 nominal with a 20 absolute
BF7591-D - 1 or 2 nominal with a 7 absolute
BF1221 - 4 nominal with a 20 absolute
BF1226 - 4 nominal with a 20 absolute
BF1276 - 4 nominal with a 20 absolute
thats the only one i see being any good..
the rabbit filter is a 15 micron absolute.
You must have missed my original post. Those were the other filters I queried. 7772 is the best.
I did some filter cross referencing a few years ago for filters that will fit the Rabbit filter mount.
The Baldwin filter with the 'best filtration.'
BF7772
1 or 2 nominal with a 5 absolute
It's a replacement filter for Case/Gehl Loaders.
It even has a water drain.
(http://catalog.baldwinfilter.com/PartImages/BF7772.jpg)
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The r12s filter is perfect with the exception that is only flows 15gph the diameter is perfect for the mk3 fuel filter bracket and the 140r mount isn't too expensive. I just think I would be starving the pump at sustained WOT.
http://www.parker.com/portal/site/PARKER/menuitem.de7b26ee6a659c147cf26710237ad1ca/?vgnextoid=fcc9b5bbec622110VgnVCM10000032a71dacRCRD&vgnextfmt=default&vgnextdiv=&vgnextcatid=2552&vgnextcat=140R%20FUEL%20FILTER/WATER%20SEPARATOR&Wtky=FILTERS
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The r12s filter is perfect with the exception that is only flows 15gph the diameter is perfect for the mk3 fuel filter bracket and the 140r mount isn't too expensive. I just think I would be starving the pump at sustained WOT.
http://www.parker.com/portal/site/PARKER/menuitem.de7b26ee6a659c147cf26710237ad1ca/?vgnextoid=fcc9b5bbec622110VgnVCM10000032a71dacRCRD&vgnextfmt=default&vgnextdiv=&vgnextcatid=2552&vgnextcat=140R%20FUEL%20FILTER/WATER%20SEPARATOR&Wtky=FILTERS
ive been running that fuel filter for a year or more now.. havent even had to change fuel filters yet!!
it does NOT starve the engine of fuel, but i pressure feed my filters..
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I decided how to make room for the cat R1-0750 filter, it will be mounted off my corrado's radiator. Pictures will follow in the coming weeks.
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I made the cat fit:
(http://img.tapatalk.com/d/13/06/30/y4arubeh.jpg)
(http://img.tapatalk.com/d/13/06/30/e5ujy6y2.jpg)