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Author Subject: Turbocharger vs Supercharger
coskev

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Post #51
armzs16 wrote:
coskev wrote:
That's one of the disapointing things about the rotrex sc 6's, there is no sound from the chargerNo

You get abit of a whoosh from the exhaust from the forced induction, but I was hoping the chargers would sound like mini coopers etcThumbs down


Errrr are you sure you've been in a 6 with a charger not an ebay electric supercharger cone? lol

My 6 has a stupidly loud exhaust on and you can still hear the charger whistling over the top of it. It doesnt whine like a screw type charger but it sounds the same as a turbo... as its built the same as a turbo but with a pulley instead of an impeller.


You get a slight noise in the car, but standing on the side of the hill at prescott the sc 306's have no noticeable charger noise going past you flat outNo

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Posted 21st Mar 2013 at 16:33
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #52
owain wrote:
You know you don't drive your car enough when you know the dates it was started.


Laugh

Possibly, although as I say it will be used from April 1st onwards this year. Yes

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Posted 21st Mar 2013 at 17:01
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armzsc6

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Post #53
Maybe my chargers louder then? Like some turbos whistle more than others? I havnt seen any o flat out last me to be honest just know mines pretty loud inside the car and can be heard off buildings easily in the local high street etc. (currently awaiting a noise pollution asbo.... Lol)

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Posted 21st Mar 2013 at 17:17
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stan_306gti6 Forum Admin

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Post #54
Yes, if I drive in confined spaces like walls each side of a narrow road, I can definitely hear my charger whistle if the window is down, in fact I've always been able to hear this even right from when I had the smaller charger on low boost. Yes

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Posted 21st Mar 2013 at 17:28
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adam b

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Post #55
Try driving a straight 5 turbo with no downpipe attached Devil
Sounded insane, but nearly killed me with the gasses coming into the cabin. Made a right mess of the heatshields too. LOL

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Posted 21st Mar 2013 at 18:59
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stan_306gti6 Forum Admin

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Post #56
adam b wrote:
Try driving a straight 5 turbo with no downpipe attached Devil


Smoke

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Posted 21st Mar 2013 at 19:08
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jamiek_uk2000

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Post #57
RetroPug wrote:
http://www.ebay.co.uk/itm/F1-Z-Double-Supercharger-Turbine-Turbo-charger-Air-Intake-Fuel-Saver-Fan-beq-/360600191039?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item53f572403f
Everyone who spent thousands of pounds on a supercharger or turbocharger got done, you can spend £8.99 and get a double supercharger turbine turbocharger fuel saver air intake fan.

"This mounting will help to improve the low speed car torque， enhance the air flow. Facilitate the gasoline engine room more fully burning， throttle feel more light more flexible. Still can rise to fuel-efficient role"

Can't argue with that logic.


manthos wrote:
S/c has been tried tested and reliable. However with n/a you have so much grunt all the time whenever you want it in any gear at any time.
Its sooooo hard to choose!!!!

You do with a supercharger as well. The whole point of a supercharger is that torque delivery is linear as the rotational speed of the supercharger rises linearly with engine speed.



"Facilitate the gasoline engine room more fully burning" Speaking proper England LOL

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Posted 21st Mar 2013 at 19:21
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manthos

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Post #58
@adam b I'd like to realise the sound of my straight 5 turbo sound when on full throttle, you can hear that there is a lovely burble there but at the mo as standard you just hear lots of turbo wooooosh

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Posted 21st Mar 2013 at 21:17
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aaron6

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Post #59
owain wrote:
.

No-one fits superchargers new anymore, as it's spinning the whole time so is terrible for emissions. The majority of cars that have turbos new are to hit CO2 targets, not power targets.
Not being argumentative but turbos seem to make more power and bucket loads more torque than a charger.Wasnt binkas running 400bhp and similar torque ammount too? How much torque does the high boost and silly boost coversions make?

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Posted 21st Mar 2013 at 22:33
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RetroPug

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Post #60
aaron6 wrote:
owain wrote:
.

No-one fits superchargers new anymore, as it's spinning the whole time so is terrible for emissions. The majority of cars that have turbos new are to hit CO2 targets, not power targets.
Not being argumentative but turbos seem to make more power and bucket loads more torque than a charger.Wasnt binkas running 400bhp and similar torque ammount too? How much torque does the high boost and silly boost coversions make?

Lots of new, small cars have small engines with turbochargers rather than a larger engine making similar power (eg. Ford Focus with a 1.1 turbo engine rather than say a NA 1.6), because using forced induction makes the engine more volumetrically efficient, which is what Owain is referring to.

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Posted 21st Mar 2013 at 22:48
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aaron6

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Post #61
But ultimately they do make more torque per hp. Hence why they are using turbo on small engines. Better emmisions and easy grunt. Toms 6 felt brutal. I did like that car. Smile

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Posted 21st Mar 2013 at 22:59
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stan_306gti6 Forum Admin

Location: Kent

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Post #62
High boost makes around 280ft/lbs Aaron, Super High around the 320ft/lbs. Either way, comfortably more than the 145ft/lbs they are as standard. Smile

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Posted 21st Mar 2013 at 23:46
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aaron6

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Post #63
This much is true... LOL
Standard they practically have no torquee.

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Posted 22nd Mar 2013 at 07:00
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owain

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Post #64
aaron6 wrote:
But ultimately they do make more torque per hp. Hence why they are using turbo on small engines. Better emmisions and easy grunt.


True, but it's more the other way around - the manufacturers have a power figure in mind, then make the engine smaller and the turbo more efficient until they get to that figure - they don't go "ooh awesome, we can put 400bhp out of this Mini as standard", because no-one would buy it.

It's not that they can get more power, it's that they can get the power they want from a smaller engine.

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Posted 22nd Mar 2013 at 10:40
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adam b

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Post #65
Its also not about peak figures. If you have a decent spread of torque over the entire range you'll find its easier to drive and quicker. The only downside can be that it can seem a bit flat and you can get more wheelspin at low revs. Upside is you tend to use less fuel, hence why turbos are being used more and more. Turbo cars now have so little lag its hard to tell, well good ones anyway.

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Posted 22nd Mar 2013 at 14:55
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doof

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Post #66
Ultimately, which ever route you go down you'll have a huge grin on your face as you hammer along. My SC'6 amazes me every time i drive it and leaves me chuckling to myself.
Posted 22nd Mar 2013 at 15:04
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welshpug!

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Post #67
my 8v 205 does that tbh LOL

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Posted 22nd Mar 2013 at 15:17
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adam b

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Post #68
So does my V6 coupe, especially after driving either of the other 406s

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Posted 22nd Mar 2013 at 15:33
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stan_306gti6 Forum Admin

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Post #69
I'm sure I will have the same feeling when I get back in mine, haven't driven it for over 18 months now, and to be honest have forgotten quite what it was like. Laugh

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Posted 22nd Mar 2013 at 17:57
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armzsc6

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Post #70
Shall we have a mass forum gathering for the first firing up / blowing up of stans beast? Wink.

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12x 306's owned so far

Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist.
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Posted 23rd Mar 2013 at 10:55
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phillipm

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Post #71
I'm not sure I'll still be able to drive then.

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Posted 23rd Mar 2013 at 10:58
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armzsc6

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Post #72
Well I expect I'll arrive using public transport as ill want to make the best use of my bus pass....

________________________________________

Black power baby! SUUUUUPERCHARGED Superman
Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p
12x 306's owned so far

Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist.
Pug planet / Citroen Lexia diagnostics / code reads available.
Posted 23rd Mar 2013 at 11:08
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stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

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Post #73
armzs16 wrote:
Shall we have a mass forum gathering for the first firing up / blowing up of stans beast? Wink.


It's already been fired up a number of times this month already. Yes LOL

However, next Saturday will be the first time I will actually drive it. Cool

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Posted 23rd Mar 2013 at 11:37
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