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nathy_87

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Registered: 14th Aug 08
Location: West Mids. Drives: Škoda Fabia VRS 5J
User status: Offline

14th Mar 10 at 16:31

I've got a VW Polo 1.4, and I am wanting to know is it possible to add a turbo to it? I'll be expecting the reply that it's not worth it, and that's probably correct but I just want the bit of 'oomph' and tisshhh.

Can anyone point me in the right direction please?

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
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14th Mar 10 at 16:32

yeah could turbo it.

Graham88

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Registered: 16th Apr 07
Location: South East Kent Drives: E46 M3
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14th Mar 10 at 16:34

Probably easier to stick a 1.8t engine in.

BarnshaW

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Registered: 25th Oct 06
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14th Mar 10 at 16:36

nathy i do worry about you sometimes.

jibjob

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Registered: 6th Apr 08
Location: Elworth, Cheshire
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14th Mar 10 at 16:38

Its possible to turbo pretty much anything. Whether it makes sense performance and financially is up to you. Other options are like said a 1.8 20v t or buy one of those things off ebay that makes the sound

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Registered: 10th Sep 03
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14th Mar 10 at 16:43

Of course you can, but it's going to be a pretty complex job. The biggest issue is likely to be the compression ratio on the engine (the amount the air and fuel mixture gets squashed before it gets ignited by the spark plug). On a modern normally aspirated engine you will find it has a high compression ratio, where as a similar turbocharged engine will have a lower one. You would normally lower the compression ration using new pistons, otherwise you're quite likely to run into engine melting/engine popping situations further down the line.

The second problem is more of an expense than an engineering situation. You'll need new engine management. There are solutions out there where you can run a turbo on standard management, and I'm sure a few people have been successful, but it's just not the correct way to run the engine if you want reliability. You'll need an ECU, loom, sensors and mapping.

I'd imagine you'd need to get a custom exhaust manifold made up too, unless there is something off of the shelf available. The rest of the issues are just fluid transfer

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline

14th Mar 10 at 16:44

low boost, less advance, more fuel. be right.

nathy_87

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Registered: 14th Aug 08
Location: West Mids. Drives: Škoda Fabia VRS 5J
User status: Offline

14th Mar 10 at 16:49

quote:
Originally posted by jibjob
buy one of those things off ebay that makes the sound

That'll be my last resort

x14xe sport

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Registered: 27th Apr 09
User status: Offline

14th Mar 10 at 18:42

quote:
Originally posted by Nic Barnes
low boost, less advance, more fuel. be right.

exactly, small t2 size turbo running say 6psi wouldnt bother it much

antnee

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Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline

14th Mar 10 at 21:01

Is it the 100hp one? A mates supercharging his, with the blower from a Mini Cooper S

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline

14th Mar 10 at 21:07

quote:
Originally posted by antnee
Is it the 100hp one? A mates supercharging his, with the blower from a Mini Cooper S

your mates seem to have a lot of epic cars.

antnee

Member

Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline

14th Mar 10 at 21:17

quote:
Originally posted by Nic Barnes

quote:
Originally posted by antnee
Is it the 100hp one? A mates supercharging his, with the blower from a Mini Cooper S

your mates seem to have a lot of epic cars.

TBH, got 2 mates running the same spec tdi's, this guy SC'ing his 1.4, have I mentioned any others?

Nic Barnes

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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline

14th Mar 10 at 21:17

yeah loads running massive power 20vt's and all sorts.

antnee

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Registered: 30th Dec 07
Location: Cov Drives: Clio 197
User status: Offline

14th Mar 10 at 21:24

quote:
Originally posted by Nic Barnes
yeah loads running massive power 20vt's and all sorts.

There was that stg 1 map thread? and I know a few LCR owners

LeeM

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Registered: 26th Sep 05
Location: Liverpool
User status: Offline

14th Mar 10 at 21:24

thicker headgasket and a fifth injector with a controller. bodgerific

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