Bov

[Rumel786]

Well yesterday i popped my head under bonnet (yes my very first time) and i was looking at my air filter, on further inspection i realised i did not have a bov and its the air filter thats making a bov noise, iv got a apexi air filter, not sure of teh exact make though but i never know air filters to be as loud as a bov, does this seem right???

 

[durmz]

what? lol u mean ure not usuing a bov so you have compresser stall? making a noise wich is coming back up through the air filter

 

[350ep70gr]

what? lol u mean ure not usuing a bov so you have compresser surge? making a noise wich is coming back up through the air filter

nice noise btw

 

[Rumel786]

by the lsounds of it the bov noise (whoosh noise lmao) is coming out of the apexi air filter, i dont know if its gt a compressor surge on howeve i didnt know air filters can do that?

 

[Idrees]

Yes thats right, had my old GT running like that for a while. It's perfectly normal mate.

 

[durmz]

yeah mate its not the air filter thats making the noise, its just where u havent got all the restriction of the standard air box, the noise from the turbo comes back up out the air filter

 

[Monkfish]

Compressor stall. Surge is an entirely different thing. :teach:

 

[CMR]

Wont get surge on a little ct9!

 

[durmz]

sorry thas my bad...stall is what i meant, thanks for correcting me

 

[Rumel786]

Compressor stall. Surge is an entirely different thing. :teach:

sorry but what eactly is compressor stall?

lol im a total noob and need to get :shoot:

 

[Sigma]

The sound you're hearing on gear change

 

[Monkfish]

sorry but what eactly is compressor stall?

lol im a total noob and need to get :shoot:

Compressor stall on a standard CT9 at 1 bar with mesh over the inlet...

 

[1_3LStarseo]

?

What if you've got that same type of chatter even if you've got, in my case, a Blitz Supersound BOV--If I'm shifting between 1st and 2nd maybe 'round mid-range on my RPMs?

Would that mean the gate is tensioned too hard?

I'll get this... tht'll-tht'll-tht'll-tht'll action(noise? lol) then pickin' up and going through 2nd to 3rd it's just my straight -tssshhh-.

 

[Monkfish]

Yep, BOV spring is too hard. Slacken it off a little and see if that helps.

 

[stuart]

My Blitz S/S is wound all the way out, for a bit of both

 

[1_3LStarseo]

Ha ha, best of both worlds I suppose.

I hadn't adjusted it myself, the mechanic had when he wired in my S-AFC. I'm running the bone stock ct9 without the hi/lo switch and no aftermarket boost controller. He said it was the best he could do to squeeze out the 8.5 lbs I've got now?



My knowledge stopped after me and my friend swapped the motor in my driveway. Now I feel like I've got to recite "lefty-loosey, righty-tighty" before I do anything, lol.

 

[Rumel786]

Compressor stall on a standard CT9 at 1 bar with mesh over the inlet...

omg that sounds like a squeeking duck lol the noise in mine is more deeper lol but thanks, now i know what it is

 

[Monkfish]

"Angry Squirrel" was quoted before.

Bear in mind I'm not running an air filter. It would be quite a bit quieter and sound more like a wood pigeon if I were.