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Old 10-24-2010, 04:50 PM   #18
Scooby Specialist
Member#: 145145
Join Date: Apr 2007
Chapter/Region: MWSOC
Location: Rockford, Il
2006 wrx STi


Originally Posted by dexterous View Post
Well, that's a great question and the answer is no. However, this is something that I would really like to discuss. Based on a month of research, the only thing that adding additional filters seem to truly help with is burning up A1000 pumps.

The way I see it, the car is an 05 so the fuel pump has a filter sock on it from the factory. Obviously I am going to introduce a significant amount of new and dirty fuel system hardware between the surge tank and the new rails. Its my plan to carefully wash and purge all of out the dirt, dust, etc from this stuff before I install anything. If anything, an aftermarket the fuel filter should go right before the fuel rails (like a factory 04 setup) to catch all this stuff. To me it seems like putting a filter directly after the A1000 kind of causes it to miss the boat.

Obviously my opinion was formed solely by research and talking to various people about the situation. For example, Phil from Element never puts additional filters in the setups that they do unless requested by the customer. I would love to hear what you can add to this.
On my A1000 I installed a -10 Aeromotive 100 Micron SS element ball valve filter to spare the pump and a 10 micron filter post pump. You are probably right about the in tank sock, however I went with a fuel cell, which removed that as an option.

Prior to starting your system a good purge will take care of any dust, line lube etc. Start by taking the two 5/16" soft lines off the inlet side of your fuel lines and let the system run about 1 gallon into a bucket. After that take the return line off the surge tank, reconnect the rails and let the system pump another gallon of fuel out the return line and into a bucket. Then take the two gallon bucket of gas and dump it in the lawn of a neighbor you dislike. This should ensure a clean fuel system prior to startup.
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