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 Posted: Fri May 11, 2012 12:27 pm |
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Joined: Feb 07, 2010
Posts: 898
Trade Rating: +5
Location: Melton Mowbray Leicestershire
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I was only just reading your project thread on 205gtidrivers, its a great read ill be watching it on there to read how you get on with it.
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Posted: Sat May 12, 2012 2:43 am |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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| Addaz wrote: |
| 205GTi180 wrote: |
| Addaz wrote: |
| 205GTi180 wrote: |
| Addaz wrote: |
Hmmmmm 11.1 (iirc) with a supercharger?
Strip the engine done and please do something with the compression before a rod says hi? |
Im going by the quote in your sig  Hi comp and boost has been used for years. By lowering the compression you need more boost to make it back up!!. Yeah i am running standard internals but good mapping and water/meth injection will keep temps down. Also 9 psi of nice clean linear s/c boost is far more effiecent than hot turbo boost dumped in a 3k 
At the end of the day these are a fairly cheap engine, im just pushing it to see what its made of. |
At least you gave me giggle.......
Yes theoritically you need to build that compression up but the general point is to compress more air into that space than before?
You have no mention of the fueling system, and i personally would like to see the effects on the lifetime of the engine with water added to the combusition chamber.
Yes alcohol may stop the chances of pre ignition, but the pro's just completely outweigh the cons. A STANDARD petrol engine was never designed to withstand alcohol, you may know what your doing but in my eyes
Its a disaster waiting to happen.
And to the note of 'hot boost' at 3k, with the slightly smaller turbine A/R i have chosen the power output may not be amazing, but then again what is for a 1.4? But there will be minimal lag and there is just as much chance as you or i suffering from heat soak.
And as shown by someone from TDI, with a minor modification to the intake system to lower it to 14 degrees he say a 12 percent power increase.
So yeh just saying. I'll go back to my tyre stretch now |
Yes that is the general point. But why lower the compression to start with when you can make the same power with less boost?. Have you ever driven a low compression engine with no boost??.
Hi comp and boost has been favoured by a lot of top tuning companies for years. You need some good internals and high octane fuel to run it safely but there you go!!.
In an ideal situation i would be running near standard compression forged pistons/rods etc but im willing to find the limit of these engines be for splashing out!.
I'd also like to point out that this is no road car and never will be. The side effects (if any) of water/meth injection aren't likely to cause me any problems be for my engine requires a major overhaul anyway!.
Matt |
Point one, why would i need to drive a car with LC and no boost?
And yes the gains will be the same, till a point in which your HC engine pre ignites and the LC engine does not but continues to perform.
Your finding the limit by wasting money? Fantastic, and i will retract my statement of a rod coming out the side as its not 'all' about how strong your internals are, its about the fueling more than anything.
No offence here, but you seem to be the person that slaps on nitrous oxide with no real equation or formula on how much you need, and expect it to work miracles.
And yes HC and boost is used, but when did they ever decide to use standard internals? |
If you had of driven a low comp engine with no boost you will realise how much power is actually lost!. At a guess i reckon 3-4 psi would be needed to even bring it back upto standard power.
I did take offence to that. I spent best part of 8k on my 106 engine. New crank, steel rods, LOW comp pistons, ARP bolts etc. These parts were needed as it was running 18+ psi. So your saying i have no experience of building engines? or knowledge of what im doing??
Your talking like im the only person ever to put together a low boost conversion on standard interals. Like i said, i have built this to see what it can do. If it all goes wrong 1 day ill look at how long its lasted and decide on fitting another standard engine or to uprade the internals.
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Sat May 12, 2012 9:02 am |
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Joined: Oct 23, 2011
Posts: 32
Trade Rating: 0
Location: Scotland
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Fair comment!!
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Posted: Sat May 12, 2012 12:56 pm |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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Anyway, back on topic 
Here's the 75mm TB im using, its from a 3 series bimmer. Had to trim a few bits down and also modify the spindle to accept a vauxhall yoke. I like the vauxhall cable because it has a push on ball fitting instead of the bike brake type end. Also a vauxhall vectra cable was perfect length. I cut the top part of the vectra pedal off and welded it too the 205 pedal for a OE fit
Engine back in
When i was happy with all the wireing i fitted the rad, oil coolers, boost pipes and all other parts.
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Sat May 12, 2012 2:35 pm |
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Joined: Feb 07, 2010
Posts: 762
Trade Rating: +13
Location: Margate, Kent
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Awesome project!
I especially like the inlet and the custom top mounts 
Well done for keeping at it and ignoring the usual bs and banter.
Most 180 owners struggle to hit the the standard (book) 180 figure, full stop.
Have you done any upgrades to improve chassis flex or general handling?
A full cage through the bulkhead would cool.
I look forward to more updates.
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Posted: Sun May 13, 2012 4:10 am |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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Cheers
The engine bay is seam welded and the shell is fitted with a Safety Devices C44 challenge cage.
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Sun May 13, 2012 10:39 am |
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Joined: Dec 16, 2010
Posts: 1315
Trade Rating: +3
Location: Ips
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That looks sweet , I just jizzed what sort of bhp you reckon this will produce ?
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WARNING: This User Has Had Bad Trade Feedback In The Past
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Posted: Sun May 13, 2012 1:28 pm |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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| 00budham00 wrote: |
| That looks sweet , I just jizzed what sort of bhp you reckon this will produce ? |
Its already done mate. It made 306 bhp
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Sun May 13, 2012 2:04 pm |
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Joined: Feb 07, 2010
Posts: 3948
Trade Rating: +7
Location: A Track near you ;)
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Love looking at these projects!!!
Fair play too you doing in, high CR and supercharger is quite popular!! hopefully the bottom end will hold out along as you don't push the boundaries to far!!
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| Renault Clio III RS - Race Car 
Renault Trafic - Daily & Tow Van
Former Poverty 206 XS 1.6Turbo Owner | |
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Posted: Sun May 13, 2012 6:43 pm |
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Joined: Feb 07, 2010
Posts: 1493
Trade Rating: +8
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I watch this on Saxperience, as said love it.
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Posted: Mon May 21, 2012 1:15 pm |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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Decided on a graphite grey colour for the wheels, they needed a refurb so did that be for fitted the new tyres. Also tried my new AP's for size behind the wheel to check clearance.....tight!!!
The first exhaust i made was too loud. I could of altered it but decided to start again from scratch using top quality silencers and mandrel bends.
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Mon May 21, 2012 1:19 pm |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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Engine
EW10J4S block (VVT set at 2.5 RPM)
Rotrex C30-94 Supercharger
Omex 600 ECU
Omex race loom
2.5 bar MAP sensor
Catcam 804's cams
OE 4-1 manifold with modified 3" flange
Custom Inlet plenum
Helix 6 paddle clutch kit
GRP A engine mounts
75mm TB
Alloy Fuel rail
Siemans 660cc injectors
Sytec adjustable FPR
Swirl pot setup
Sytec/walbro 255 intank pump
Sytec/walbro 255 High pressure pump
NGK Iridium Plugs (step colder)
Forge Rad
Forge Intercooler
Forge Recirc valve
Mocal Oil cooler
Millers CFS 10/60 oil
3" Mandrel bent exhaust system
Shell
Safety Devices 12 point Cup cage
Seam welded Bay
Custom Strut brace
Welded Seat rails
Mondeo brake setup to clear engine
Ears Braided lines throughout
Cobra Sasuka pro buckets
Sabelt 3" 6 point Harnesses
Racetech Gauges
Weber/Alpha AFR Gauge
Wilwood bias valve
Gaz gold coilovers
Compbrake top mounts
Fully polybushed all round
Bilstein rear Grp n shocks (fat ones)
25mm ARB
Transmission/wheels
GTI 180 Gearbox (cable shift)
Gripper plate LSD
Modified GTI 180 Driveshafts
15" Rota Attack
Yoko A048 tyres
Brakes
AP 4 pots
296mm 2 peice grooved disks
Carbon Lorraine pads
Standard rear brakes with drilled and grooved disks
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Mon May 21, 2012 3:26 pm |
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Joined: Feb 07, 2010
Posts: 2505
Trade Rating: +19
Location: West mids
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Nice updates, do you have any pics with the wheels on the car??
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Posted: Mon May 21, 2012 4:14 pm |
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Joined: Nov 02, 2011
Posts: 79
Trade Rating: 0
Location: Derbyshire
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| 205 with Supercharged GTI 180 lump 374 bhp...soon to be 400+ | |
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Posted: Fri May 25, 2012 2:51 am |
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Joined: Apr 30, 2011
Posts: 1676
Trade Rating: +46
Location: durham
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loving it.. are you on 205drivers aswell?
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WARNING: This User Has Had Bad Trade Feedback In The Past
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