Cat fuel filter - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Performance Parts Discussion Discussion of Performance Parts For the 06-07.5 LBZ/LLY Duramax Trucks No Advertising

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post #1 of 7 (permalink) Old 08-26-2019, 07:37 PM Thread Starter
 
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Cat fuel filter

Anyone know of what this gains? Truck I'm thinking of buying has cat filer adapter. Has ppe lift pump only. Any thoughts would be helpful thanks!
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post #2 of 7 (permalink) Old 08-26-2019, 08:22 PM
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It's an old antiquated adapter that was needed 'bout 14 years ago.
Better filters are now available for the stock position.
But the myth lives on....as is evident with your future buy.

I'd remove it and toss it in the trot line weights pile. Install a TP3018.
The cat doesn't provide water protection and has a lower micron efficiency rating.

Then again, I guess you could keep it, since you have a lift pump with presumably a FWS filter on it.
Maybe not? Maybe it's just a pump and no aux filter?

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post #3 of 7 (permalink) Old 08-26-2019, 08:36 PM
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Ppe lift pump has no filters.
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post #4 of 7 (permalink) Old 09-13-2019, 12:26 AM
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Originally Posted by Hook'em_Horns! View Post
It's an old antiquated adapter that was needed 'bout 14 years ago.
Better filters are now available for the stock position.
But the myth lives on....as is evident with your future buy.

I'd remove it and toss it in the trot line weights pile. Install a TP3018.
The cat doesn't provide water protection and has a lower micron efficiency rating.

Then again, I guess you could keep it, since you have a lift pump with presumably a FWS filter on it.
Maybe not? Maybe it's just a pump and no aux filter?
Bro! I lived in Austin for about 5 years... some of the best years of my life. We love your part of our world. My mother and step-father live in Georgetown and have been in Austin for almost 30 years. What a great place! I loved working with UT and their film department. So many great experiences and memories.

The 2007 2500 HD I bought had the 2-CAT filter kit installed already. Is it garbage? Thereís no factory fuel filter delete, but I definitely hear a loud fuel pump kick in and start pumping the moment I turn the ignition on... is that normal? Is there a better fuel system filtration system or option?

Thanks for your help.
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post #5 of 7 (permalink) Old 09-13-2019, 02:05 AM
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Originally Posted by SpeedFreak! View Post
Bro! I lived in Austin for about 5 years... some of the best years of my life. We love your part of our world. My mother and step-father live in Georgetown and have been in Austin for almost 30 years. What a great place! I loved working with UT and their film department. So many great experiences and memories.

The 2007 2500 HD I bought had the 2-CAT filter kit installed already. Is it garbage? Thereís no factory fuel filter delete, but I definitely hear a loud fuel pump kick in and start pumping the moment I turn the ignition on... is that normal? Is there a better fuel system filtration system or option?

Thanks for your help.
I have no idea what a 2 CAT filter kit is. Does one of the filters incorporate a water separator?

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post #6 of 7 (permalink) Old 09-13-2019, 09:14 AM
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Yes. Thereís the fuel filter and the water separator... 2 CAT filters. Iím sure thereís a technical term for this setup, but thatís what it look like to me.
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post #7 of 7 (permalink) Old 09-13-2019, 09:44 AM
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Originally Posted by Drewslbz View Post
Anyone know of what this gains? Truck I'm thinking of buying has cat filer adapter. Has ppe lift pump only. Any thoughts would be helpful thanks!
it gains you a loss of water separation before the high pressure pump.

I would put the stock filter back on with the WIF sensor.

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