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My Chevrolet dealer, ... yes that is correct, my Chevrolet dealer just recently installed a new Racor Fuel Filter as a pre-filter to the OEM filter on the Duramax. My Service Manager thought that this was an excellent idea and also thought that I should install a juice box. So far his department has only changed one injector in three years for everyone's information. Well, after driving the vehicle for a few days, there is a difference. I notice that the engine seems to be smoother and acceleration is faster. Whether this has something to do with cleaner fuel to the injectors or not, I cannot tell, but that seems logical. I am not a mechanic, and being over 62 I do not bend very well, so I elected to have the dealership do the install. Job was under $200.00. The dealer said that the Tech installed it in such a way that I could remove the assembly and put it on a new vehicle should I choose to so in the future. I purchased the kit from Greg at Lubrication Specialists. So far, I am pleased with the performance. I continue to add the Stanadyne Performance Plus. Should something happen with the injectors at this point, it is not from anything that I did to make this happen. Truck runs well and I hope that it outlives me.
 

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Slightly Old Dog, if nothing else it will give you a little piece of mind. Mine seemed to run a little smother also. It has really picked up lately because we just went off winter fuel. It is the difference between night and day. Later! Frank
Edited by: Frank Blum
 

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I noticed my GMC running better immediately after installing the Racor.

I also noticed mileage and power improvement lately since they finally got rid of the winter fuel.
 

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I also noticed an improvment in idle quality with my Cat filter install ....


I would shy away from the dealer knowing you have a Edge box even if they approve ,if you should elect to run one ....





Mac
 

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I have also noticed the milage and power improvement this last few weeks. I thought it was just getting more miles on the Duramax, never thought about the winter fuel.


Hoot I hope you have better luck with the automatic transmission than I did with my 98 Dodge /cummins. That is my main reason for getting my Duramax!!!
 

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Hoot, so glad you are still here but, did not realize you were trading for a Dodge...
Will be most interesting following our progress with the Dodge and any comparisons you wish to share..
George Morrison
 
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