Racor Aux Fuel Filter on Duramax

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Jonathan Race - 06 Nov 2004 22:16 GMT

Greetings,

I recently added a Racor 660 auxillary fuel filter unit to my '04 Chevy
2500HD with the Duramax diesel. It uses a 2-micron filter element (R60S)
and is tapped into the line between the tank and the motor. It also has its
own water seperator built in. The element is taller with a larger diameter
than the stock filter.

Question for anyone who uses this filter unit and/or element - how often do
you change this element? Do you change it when you change the factory fuel
filter or more often?

I understand that the new stock filters specified by GM are also 2-micron,
and they can be used on the '04 and earlier Duramax diesels as well with no
modifications. Now that I have added this second filter unit to my truck,
by the time the fuel passes through both and reaches my injectors it should
be pristine. I'm hoping this helps head off any injector problems.

Cheers - Jonathan

Signature

Jonathan A. Race
Lieutenant, EMS Supervisor
Orange County (FL) Fire Rescue Department

(This message may contain personal opinions and/or information not related
to my employment or employer)

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Franko - 07 Nov 2004 01:55 GMT

Hello Jonathan,

Frequency of change all depends on the quality of your fuel source. General
rule is the finer the filtering, the more often the replacement. You will
find that the 2-micron stock filter downstream from your Racor will remain
cleaner MUCH longer than before. You might consider the cost of replacing
the stock versus the Racor element and perhaps decide to use a 10-micron
Racor element instead. Be careful with the plastic water drain valve -- it
can break easily (metal replacements are available). Good choice. Good
luck.

Franko

> Greetings,
>
[quoted text clipped - 15 lines]
>
> Cheers - Jonathan

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Jonathan Race - 07 Nov 2004 03:05 GMT

Thanks for the positive feedback. An aux fuel filter has been on my want
list ever since I bought the truck (and learning just how much new injectors
cost!) and after much reading I decided the Racor was for me. It went in
very smoothly, minus about a quart of fuel I lost when I tapped into the
main line from the tank to the motor. The unit I got came with a 10g steel
rock guard and mount, which should keep things fairly well protected. Since
I am always looking for something better, however, if you could steer me
towards where to find the metal replacement drain valve I would be very
appreciative.

Cheers - Jonathan

Signature

Jonathan A. Race
Lieutenant, EMS Supervisor
Orange County (FL) Fire Rescue Department

(This message may contain personal opinions and/or information not related
to my employment or employer)

> Hello Jonathan,
>
[quoted text clipped - 10 lines]
>
> Franko

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Warren Post - 08 Nov 2004 16:43 GMT

> if
> you could steer me towards where to find the metal replacement drain valve
> I would be very appreciative.

You should be able to order it direct from Racor at 1-800-344-3286.

Warren Post
Santa Rosa de Copán, Honduras
http://srcopan.vze.com/

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