Hansenturbo

i can`t get my rst to sound like this and i am running cossy inj and act 34

http://www.youtube.com/watch?v=baUEBAKw5vQ

is it how you adjust the wastgate?

Hansenturbo

mine sounds a bit like this focus :-(

http://www.youtube.com/watch?v=yTZ0En-hflc

RSNUT!

that first vid, listening to that all the time will do my nut in...
2nd vid sounds ok imo... i kno what id like mine to sound like....

phil_focus

that focus sounds like its got a boost leak as he's not accelerating quickly at all!

i think the noise (in the first pic) is the turbo stalling and the "chatter" you get from the chopy air as it exits the air filter. you generally get this on cars not fitted with dump valves/blow off valves/recirc valves.

DanRSturbo

Mine chatters on MFI

Twins

iTrader: (18)

If you want a loud chatter ,fit a metal boost pipe to the air filter ,did it to mine years back ,now i run a carbon one

Šhatter Box

The best there is the best there was the best there ever be

ROB7656

mine chaters on mfi with a wire ringed turbo to metering unit boost hose(solid),been told its a909 motorsport hose? never used to with a standard or samco hose

ROB7656

nothing like chatter on cosworth management mind.

Matt carter

me to

at 2 bar then BANG

burnhamshaun

iTrader: (2)

Mine is so so quite on the cossie yet on the escort it was really loud

Rogeyboy

iTrader: (2)

My stage 3 t3 doesnt chatter as much as my standard t3 used to... But neither sound like either of the youtube vids, kinda like the fiesta but with the tone of the focus i guess!

DanRSturbo

pee vee

CoupeUK

Them 2 top vids are by Oranoco off here. Maybe give him a PM?

essexRSTSouthend

chatter on mfi here too.But normally on colder days due to have a massive dump valve that does the job.Before the dump valve i got it loads

Ad4m RST

What filter you running Hansen? & what size housing? boost?

-34 dumps the air out fast, it won't filter through like a -31 on a normal T3; .48 or above won't chatter too much on a 1600 without 2bar lol.

I prefer the cobra rattle to the turkey gobble chatter anyway

J1mbo

iTrader: (1)

Adam what difference does a actuator make to the chatter

Ad4m RST

It's a bit harsher bringing the car on & off boost no? small bolster to the argument... I'll take a just in case

J1mbo

iTrader: (1)

Not really, all the chatter needs is for the boost to hit that throttle body and bounce back in essence, so the way the car comes on boost dosnt make a difference, how much boost does, as it will stall the shaft harder with more boost

Ad4m RST

Yeah more pressure more stall, makes sense... always thought -34's on 1600's meant more of a kick-in & kick-down with the boost. Or again unless you're running 2bar...

project rs

mine was quite quiet till i put a air filter on with a piece of metal pipe between them and now is really loud also on a t34 like the op

rs_traynor

my focus rs sounds like the fiesta, my old fiesta rs turbo sounded exactly the same

Hansenturbo

T34 turbo -34act 1.4bar boost i have tryed to take of the dump i know it steel the chatter
and the filter as allways sit on a stainless cone
but i Got the corbra :-/

DanRSturbo

I binned my dump valve as soon as I heard it making the chatter noise just before the ppttttsssss, was a really wierd sound but I decided I prefer chatter

RSricRS

iTrader: (2)

My s2 chatters like a good un! will get a video posted up tomorrow.

Mr.T

Even my volvo has a nice chatter. Its running 0,5 bar max Thats just std boost on the little T2. 1.7turbo tho. Its now going to have a T25 which should be enough for now.

Oranoco

That first clip is my old Fiesta Turbo, miss that car. Was running a hybrid T3, Kent cam, beige and a 195 chip.

Hansenturbo

What Air filter did you ran on your Fiesta ?
I am thinking of getting a pipercross for a t34 cossie

Oranoco

Was just a K&N cone filter.

aronzvh

Im on mfi, has a 1.8 zvh with knN cone filter running 0.8 bar boost, front mount i/c but stilll no chatter! How u guys getn it!?
More boost maybe?

Karlos G

iTrader: (4)

Mine at 21psi metal pipe from turbo to K&N filter, you really get to here it around 2:00 onwards...
http://www.youtube.com/watch?v=nmZNeThwFLE

Rogeyboy

iTrader: (2)

Thats quite a short chatter...
Cars sounds nice on the rollers! What gearbox mounts u running?

Karlos G

iTrader: (4)

It's because Gary opens the throttle almost straight away after letting off each time, if you just close the throttle and leave it it carries on quite a bit longer.
Running stock mounts, quite a bit of movement isnt there! lol

rickbartlett

im on mfi, so if i fit a metal hose between my turbo and metering unit i will get a louder chatter, it chatters now but is not quite loud enuff for me lol

D4nny8oy

Ain't there just! These were new!

Rogeyboy

iTrader: (2)

Yeah quite abit of movement Karlos , im on poly mounts n it don't budge !
Good point about the chatter, if i change gear quick i can get it to barely chatter at all whereas if i leave the throttle shut it goes on for 2-3seconds.

MFi, these are hard to figure. The airbox/metering unit muffles the sound so you don't hear much with them, but they still do chatter somewhat, just need a decent amount of boost i think. An alloy pipe don't make much diff on either MFi or EFi, mines on a samco hose from the turbo running 11-12psi and it chatters loads on EFi, my m8s MFi was on 18psi and chattered with a samco pipe to metering head and a ram-air cone on the top.

Whatever way you look at it, its a wicked sound and its better than a "chav-valve" altho some people swear by dump valves improving throttle response!

XRT_si

iTrader: (2)

I was told the hose shape and type of filter make a massive difference. My old CVH RST used to have a REALLY high pitched chatter and ran a Pipercross filter on a hose that was on a 45 degree angle.

Oranoco

My brothers FRST with a GRS intercooler makes amuch lower pitched slower chatter to my old one. Was dead funny when were going to car shows coming on and off boost side by side

5tox

my saph cosworth chatters like a fooker, i quite like the sound but surely it doesnt do the turbo any good to be spinning at a 100000 billion rpm one way and then be met with air trying to rush back in

i actually changed my DV as i thought it was fooked, new one was ok for a week now back to chattering again, it seems to sort itself out once the engine gets properly warm.
Getting a nice hks model soon, my mate has one on his celica gt4 and its the best sound ive heard so far from a DV