So I actually heard that installing a blow-off valve is a bad

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>>17789645

>asking for Subarus

Subaru guys correct me because I'm going off of what I read in 2007, so I'm more than likely wrong. It's because the engine comes stock with a bypass valve that recirculates the pressure back into the intake system when you let off the throttle. A regular BOV goes straight out.

The fuckery comes due to where the MAF is placed on Subbies, this fucks hard with the ECU when you have a BOV installed and makes your ECU cause your engine to run rich for a split second.

Again, correct me if I'm wrong.

Eh bad or not sound is too orgasmic to not install it

>>17789660
This is correct

>>17789660
Not just Subarus, everything modern has this MAF setup resulting in a loss of metered air.

So with that out of the way, can we discuss compressor surge then and if that's just a meme or not?

From my understanding from just lurking over the years at various forums, the surge people love hearing (like 2JZ's with no BOV's) isn't actually the surge that will result in a BTFO motor, is that true?

Video of the tu-tu-tu-tu-tu "surge": https://www.bbc.com/pidgin/world-41077102?SThisFB

>>17789817
It is I think.

>>17789660
Just kill me senpai. A non flutter and no BOV sound turbo is boring as hell.

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>>17789817
Get that pidgin shit the fuck out of here.

Fuck.

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>>17789837

I'm baked, read your comment, didn't understand what the hell you were talking about, reread my comment and had a good laugh

https://www.youtube.com/watch?v=d6I7_Or4w7c

fuck me dead sorry, wrong link, so that sound, is that bad for the engine? Is that surge?

>>17789881
Surge. It's the same shit Audi Quattro is known for.

A friend of mine wanted to install a blow-off valve on his diesel 1.4l Pegeout 206,
because with the cold-air intake, air-temperature sensor disconnected and the ECU remapped,
the car was making too much power and since blow-off sound cool it must add power as well.