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Just ordered a 140ps Golf GT which has replaced the old GT TDI and I would be looking at making it faster. Does anyone know how I go about it and how much it would cost? How much would my insurance go up by and would it affect the warranty? Cheers

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With it being a completely new engine concept, I imagine it will take the tuning world a fair while before they've got their head around tuning these engines. If you want more power, change your order for a GTi!

And whatever you do, it's very likely it'll affect your warranty.

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A 140ps GT? Which one do you mean?

Do you mean a 1.4ltr petrol GT (turbo/supercharged) or a GT TDI with a 140ps engine? If it's the 140ps tdi, then plenty of options for tning it. All the major companies can sort you out. If it's the 1.4ltr petrol, perhaps not yet. 169144-ok.gif

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I wouldn't want to tune the 1.4 TSi, it's already on steroids as it is! - Great looking new technology though!

The 140tdi has lots of tuning options - tuning box, re-map etc. These will invalidate your warranty and, if declared on insurance, would not move your car up to a new category, it counts as a modification i.e. "Engine chip, up to 25% more bhp" or something like that. your premium will probably go up. Though, I called about for a while and in the end, mine didn't go up.

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Having admired the head-turning good looks of the GT, you will be equally impressed by its power units. Choose between the unique TSI 1.4-litre 170 PS petrol engine and the 2.0-litre TDI 170 PS, the most potent diesel unit ever to power a Golf. A 2.0-litre TDI 140 PS is also available.

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So, it's the last of these choices, a 2.0ltr TDI 140ps.

Remaps will start at around £175 for a turn up at your house with a laptop remap(I think one guy on here was quoted as charging around that) and run up to about £500 or £600 with before and after rolling road sessions. You takes your choice. Looking at about 35bhp increase as reasonable starting point.

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Yes thats the one. Is Revo one of the best to do a software remap? What exactly do they do? Or are there any other companies to go with?

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APR

AMD

Revo

SuperChips

Custom Code

etc, etc

Theres lot of tuning companies and most offer the same sort of power hike, ie 35-45hp / 30-50lbs.

Who you go with should be based on what you want out of the car after a remap and not necessarily maximum power... smooth delivery, easy to drive, etc

Also, if you up the power you should consider brakes and suspension as well as these are integral to the cars dynamics based on its current output(140ps).

TDi's are also prone to heat soak, so in order to maximise your investment in the new power you should look at doing something in the Intercooler department as you could lose up to 15% of your power due to the existing (small, badly placed) intercooler no longer being sufficient to cool the charge into the engine... plus you'll get more sooty reek as a result!

Remember that a 140ps engine with some tweaking, exhaust, intercooler, filter / CAI, etc can be good for over 200hp and approx 300lbs of torque.... which will reduce the life of your tyres by 1/2 and eat your clutch within 30,000 miles.

smile.gif

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The new Golf GT already comes with sport suspension lowered 15mm, so would it be necessary to change the suspension? So what your saying if I had revo software added to the car and a Milltek exhaust I would have to change a lot more things? Money I dont have! Would the car not be fine just with these two modifications?

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The new Golf GT already comes with sport suspension lowered 15mm, so would it be necessary to change the suspension? So what your saying if I had revo software added to the car and a Milltek exhaust I would have to change a lot more things? Money I dont have! Would the car not be fine just with these two modifications?

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The reason I always state that you should seriously consdier the suspension / chassis when upgarding power is that you upgrade power for one reason.... to go faster; aling straights, round bends, up and dpwn hills, etc and so the stock suspension, designed or the 140ps 'drive' that VW had in mind will be worked a hell of a lot more.

Plus, if you go faster you need to stop quicker so brakes could do with some treatment as well.

Forge MOtorpsort do an Intercooler for the 1.9 TDi which I'm sure would suit as it deisgned for 19-2.2l and up to 200+ hp TDi engines.

Its a false economy to think you can add 30% power increase and the rest of the car; suspension, brakes, bushes, cooling, intacfke etc will just happily plod along as if nothing has chnaged. IMO you need to look at the whole package and ensure that the vital components; tyres, suspension, brakes, etc are capable of handing the increases you are about to put on the car, namely power, the way you drive, forces, braking, cornering, etc

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OH, the sports suspension that VW / NAG fot to the cars isn't real sports suspension, its just slightly uprated dampers and tweaked springs. Good for the car that you buy from the showroom but they'll show thir lacking as soon as you press the car to the limit, which will happen quite often if you wnat 185hp from your diesel.

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The new Golf GT is an upgraded version of the GT TDI and is a 2007 model. How would I know if I remap it and put a Milltek exhaust system on it it wont run properly? Where would I get new brakes from? any ideas? New car comes with 17" tyres. As its a brand new car changing all these things your on about would mean my 3 year warranty is shot, which is why I was just thinking of these 2 modifications.

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Seriously, I'd get a remap, and that's it. I'd not bother with a Miltek exhaust system on a diesel. Then see what it runs like and upgrade stuff after that if you think it needs it. If you want more performance without warranty issues, cancel the car and order the 170 version. 169144-ok.gif

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[ QUOTE ]

The new Golf GT is an upgraded version of the GT TDI and is a 2007 model. How would I know if I remap it and put a Milltek exhaust system on it it wont run properly? Where would I get new brakes from? any ideas? New car comes with 17" tyres. As its a brand new car changing all these things your on about would mean my 3 year warranty is shot, which is why I was just thinking of these 2 modifications.

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Modding a car and worrying about warranty don't go together..... chnage anything on the car from manufacturers spec and warranty goes out the window. Many dealers don't mind the odd thing and its at their discretion if they want to honour the warranty, but even changing alloys voids warranty.

If you're unsure about modding a car, ie where to buy uprated parts from then I'd suggest a wee bit of time spent browsing Mags and t'internet to familiarse yourself with whats available... or as Rusty says, just get the 170ps version as it will be beefed up a tad anyways and all your warranty issue will go away.

smile.gif

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Money was the reason why I didnt plum for the 170ps, Im already borrowing money as it is for the 140ps. However, I thought why not last night and tried to change my order but theyve just told me it frozen so cant be changed now, so Im stuck with the 140ps, which means a remap after a few months looks the best option.

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Stick with the 140ps, I have the MKV 2.0 TDI GT 4 motion version and it really does fly, especially mid range. Economy is also 45-55 mpg. Better with BP Ultimate diesel.

I don't think you will be disappointed with the performance of the standard engine. VAG diesels kick out higher bhp than quoted anyway.

I cannot see the point in potentially ruining a car's braking, handling set up for a few more bhp when standard is more than adequate.

If you are borowing anyway don't stretch yourself further, save the money. ( I sound like my Dad )

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