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Author Subject: Supercharged or turbo
Pikey176

Newbie

Location: Swindon

Registered: 02 Sep 2013

Posts: 42

Status: Offline

Post #1
Hi all not too sure which route to take turbocharged vs supercharged any advice greatly received I'm thinking maybe turbo but not 100% Dunno
205 Gti6
Posted 3rd Mar 2014 at 21:19
rallyeash

Seasoned Pro

Location: Devizes

Registered: 11 Dec 2006

Posts: 4,424

Status: Offline

Post #2
Loads of charged info and kits on here. A more easy, practice conversion and probably more reliable. You won't be trying to always solve heat soak etc....

Depends what you want out of the car, budget and what your planning on using it for.

________________________________________

230 hp 2.1 16v XU 205 rallye on jenveysHyper Project thread here
309 3dr K20 Type R
Posted 3rd Mar 2014 at 21:21
3rd time lucky

Seasoned Pro

Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

Status: Offline

Post #3
Supercharged is very much tried and tested with kits ready to bolt on Thumbs up

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 3rd Mar 2014 at 22:34
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #4
Moved to Engines. Smile

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 3rd Mar 2014 at 22:37
Niall

Seasoned Pro

Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

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Post #5
As said above, supercharged is normally easier and more reliable but i personally love how a turbo'd car drives.
But still, i supercharged mine for ease and cost.
Posted 3rd Mar 2014 at 22:39
doof

Regular

Location: nottingham

Registered: 24 Nov 2007

Posts: 231

Status: Offline

Post #6
I love my low boost '6 and until my charger died (which doesn't seem too common thankfully) I had lots of trouble free miles with really good mpg (not far off my parents MR2 Roadster with a 1.8 and vvti!). I think the Rotrex conversions are generally very reliable even at high boost because of the fact that the power curve remains very much like an NA car. Lots of power up top and no huge surges of torque like turbo cars can have at high power levels. Go for it, but be careful of 'charger rpm. I'm going to get my low boost remapped and might move the limiter to 7k to avoid overspinning the 'charger.
Posted 4th Mar 2014 at 09:46
aaron6

Seasoned Pro

Location: On the sofa in maidstone

Registered: 16 May 2006

Posts: 5,840

Status: Offline

Post #7
But it would be nice to see a nice turbo conversion. I think the way that binkas drove was spot on. So much more fun than a low boost. Shame it build quality was aweful. That one had loads of potential.

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Posted 4th Mar 2014 at 10:08
eliotrw

Seasoned Pro

Location: Southwark

Registered: 18 Jul 2010

Posts: 4,864

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Post #8
You cant do a turbo for less than 5k put it that way.

Not well.

________________________________________

Ex- Phase 3 China GTi-6 T-Reg
Posted 4th Mar 2014 at 10:18
aaron6

Seasoned Pro

Location: On the sofa in maidstone

Registered: 16 May 2006

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Post #9
^^^ this is true.

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Posted 4th Mar 2014 at 10:20
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,793

Status: Offline

Post #10
you can. buy a 306 HDI

________________________________________

306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips
306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges
gti6 inlet manifold badges | 306 rear boot badges (p2/p3)
winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club]
Posted 4th Mar 2014 at 10:25
stan_306gti6 Forum Admin

Location: Kent

Registered: 18 Jan 2004

Posts: 21,768

Status: Offline

Post #11
rikky wrote:
you can. buy a 306 HDI


LOL

________________________________________

"Supercharged - 454.1bhp/317.5lb/ft"
Peugeot 306 GTi-6
2000 (X), Moonstone Love
Posted 4th Mar 2014 at 10:42
3rd time lucky

Seasoned Pro

Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

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Post #12
aaron6 wrote:
But it would be nice to see a nice turbo conversion. I think the way that binkas drove was spot on. So much more fun than a low boost. Shame it build quality was aweful. That one had loads of potential.


+1

I would much prefer a turbo conversion if done properly but cant afford £10K for it!

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 4th Mar 2014 at 11:08
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,822

Status: Offline

Post #13
Bodies, far more pleasure, MUCH better sound, more reliable, cheaper to run, cheaper to build.

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Bring on the Trumpets.

Posted 4th Mar 2014 at 11:15
3rd time lucky

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Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

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Post #14
welshpug! wrote:
Bodies, far more pleasure, MUCH better sound, more reliable, cheaper to run, cheaper to build.


True, but lowest bhp/£.

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 4th Mar 2014 at 11:27
allanallen

Seasoned Pro

Location: Buxton

Registered: 01 May 2007

Posts: 1,399

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Post #15
eliotrw wrote:
You cant do a turbo for less than 5k put it that way.

Not well.


YawnRoll eyes

How much did yours cost?

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Posted 4th Mar 2014 at 11:30
3rd time lucky

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Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

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Post #16
allanallen wrote:
eliotrw wrote:
You cant do a turbo for less than 5k put it that way.

Not well.


YawnRoll eyes

How much did yours cost?


Are you suggesting that you can get a reasonably reliable turbo conversion done for under £5K...? If so.... Im interested!

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 4th Mar 2014 at 11:56
rallyestyle

Seasoned Pro

Location: London

Registered: 23 Jul 2003

Posts: 14,990

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Post #17
3rd time lucky wrote:
allanallen wrote:
eliotrw wrote:
You cant do a turbo for less than 5k put it that way.

Not well.


YawnRoll eyes

How much did yours cost?


Are you suggesting that you can get a reasonably reliable turbo conversion done for under £5K...? If so.... Im interested!


All depends on how much power you want really i would have thought Yes

If you are happy with a minimal increase in power, say 250bhp then it would be quite cheap and perfectly reliable i would have thought.

________________________________________

Just Drive It
Posted 4th Mar 2014 at 12:06
3rd time lucky

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Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

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Post #18
It seems the 6 lump can handle up to 275 bhp quite comfortably but as we know, the low boost superchargers are down on torque (i dont know the lb/ft figures). Putting a 350 capable turbo in the mix mapped to 250bhp/ 250lbft is adifferent ball game. I imagine the gearbox would be the first thing to 'do-one'.

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 4th Mar 2014 at 12:31
allanallen

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Location: Buxton

Registered: 01 May 2007

Posts: 1,399

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Post #19
I'm suggesting that if you're competent with spanners and a welder you can build yourself a reliable turbo conversion for less than 5k.

This is a mate of mines, it's a standard engine with a t28, external wastegate running around 9-10psi off the spring, it makes 270 bhp and over 250lbft. It's cost him well under 3k including a new omex and mapping. Another 1500 would see the engine rebuilt with a lower cr and more power.
Does it need more power?? No Razz

It's fun but IMO it doesn't make the best road car, I'd go supercharger but not a rotrex.....

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Posted 4th Mar 2014 at 12:31
superchargedblack1997gti6

Seasoned Pro

Location: guildford

Registered: 15 Aug 2009

Posts: 2,376

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Post #20
If you're fairly good with spanners I think a turbocharger conversion could be done for 230-275bhp for approx 3k and be fairly reliable. The key to getting it right is getting it right first time!

________________________________________

Super high boost Completed, destroyer of gearboxes and 160mph club
Posted 4th Mar 2014 at 12:31
allanallen

Seasoned Pro

Location: Buxton

Registered: 01 May 2007

Posts: 1,399

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Post #21
superchargedblack1997gti6 wrote:
If you're fairly good with spanners I think a turbocharger conversion could be done for 230-275bhp for approx 3k and be fairly reliable. The key to getting it right is getting it right first time!


Exactly! If you throw the thing together with a 'it'll do' attitude it's never going to be reliable, you'll then spend more money sorting your f**k ups. Careful thought and planning and patience sourcing the right bits for the right money and you can do it very cheaply!

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Posted 4th Mar 2014 at 12:35
aaron6

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Location: On the sofa in maidstone

Registered: 16 May 2006

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Post #22
I want to see someone do it.
Did you mare use a decomp plate change the pistons?

________________________________________

See the sheer power and might of the lesser known burrowing owl.



Posted 4th Mar 2014 at 13:12
3rd time lucky

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Location: maidstone

Registered: 23 Apr 2007

Posts: 1,878

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Post #23
Wow! Got any more pics?

________________________________________

DIABLO GTI-6 - Legend - NILE GTI-6 - Sold
CHERRY GTI-6 P1 SUPERCHARGED - Broken up
BLACK RALLYE - Sold
205 Dturbo xud9 work horse - Dead
CHERRY RALLYE - new toy
Posted 4th Mar 2014 at 13:30
eddy_gti6

Seasoned Pro

Location: Durham

Registered: 20 Oct 2008

Posts: 8,716

Status: Offline

Post #24
3rd time lucky wrote:
welshpug! wrote:
Bodies, far more pleasure, MUCH better sound, more reliable, cheaper to run, cheaper to build.


True, but lowest bhp/£.


Maybe less power but more usable and better for B roads and sounds a hell of a lot better too! Cool

________________________________________


Clicky: [url =http://www.306gti6.com]click here[/url] remove the space between [url & =
Posted 4th Mar 2014 at 14:00
allanallen

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Location: Buxton

Registered: 01 May 2007

Posts: 1,399

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Post #25
aaron6 wrote:
I want to see someone do it.
Did you mare use a decomp plate change the pistons?


Someone has done it? I've just shown you the pictures???LOL

As I say the engines completely standard, it's done over 120k and has a motor factors cardboard style head gasket.

No more pics at the minute, I'll get some next time I see him

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Posted 4th Mar 2014 at 14:28

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