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nissan-man wrote:um.....i dont have a Blow off or anything...but I have read that Blow offs are not supposed to be as good because the car(ECU) doesnt compensate for the air that is Blown off making you burn rich...but its very minor. They still doing research into it to see how bad it can affect oyur engine....but if you real serious about cars....keep the bypass/recirculating valve as JWT said.
nissan-man wrote:But this goes for all cars with the MAF sensor right?
This is only affected by Subarus with a Mass Air Flow Sensor in the Intake Pipe...Which is the majority of Turbo Subarus...If you use a Standalone ECU, that can eliminate the MAF and use only a Map Sensor, you will have no problem using a "To Atmosphere" BOV...
Just FYI, the Turbo Subarus in question use both a MAP and MAF...
I don't like to mess with the "Calibrated" size of the intake piping on my Subie, so I took a stock Air Intake Box and trimmed off all the plastic that makes the box, leaving only the tube that the MAF bolts into...Then I just bought a universal Stainless Steel Filter and clamped it around that tube...
Sunrise City Rider wrote:Removing restrictions in the filter and intake path is most important...The Intake duct on Subarus are restricted and made of cheap plastic that will melt and develop cracks with age and increased pressure...
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