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Tuning Punto Sporting Mk2

We should distinguish some modifications for the Sporting, the Sporting Speedgear, the Sporting JTD. Here it is a list of some modifications appliable to the Punto Sporting Mk2, when they make sense.

• coloured side mirrors
• exhaust collectors
• exhaust system
• air induction kit
• bigger brake disks
• bigger tyres
• metallic kat
• chip tuning
• camshaft
• pop-off valve (only for JTD)
• supercharger
• turbocharger
• engine substitution

Punto Sporting Mk2's stock tires are the 185/60 R14. Here in Italy the car is registered with three measures, which are:

• 185/60 R14
• 185/55 R15
• 195/45 R15

• 195/45 R16 84V
• 195/45 ZR16 84Y
• 215/40 ZR16 86W
• 225/40 ZR16 85W

Fitting 17 inch wheels

Please look the page of Tuning the Punto HGT where it is explained well.

Coloured side mirrors

One of the differences between Punto Sporting Mk2 and Punto HGT is the colour of the side mirrors. The HGT model has them coloured with the same colour of the car, while the Sporting model hasn't them coloured, but they are black. Several Sporting owners have coloured them in order to have their own Sporting looking as HGTs.
If you have a Sporting Mk2 model, you can ask your garage to make the paintwork, colouring over the black plastics. You can't order the HGT side mirrors, because they are furnished with the whole electric part of the electric mirroring hardware and you can't adapt to the Sporting Mk2 original seat. The shells aren't available to order yet: only one possibility to have the mirrors coloured is to colour black mirrors.

The travel of the air from outside to the throttle body is very obstacolated by a reduced mean section and by a long hose with loses a lot of final torque. This is why Negrente modified completely that travel with a shorter one. They installed a CDA BMC filter on the shorter path. The air is taken from the mouth where the air flow should guarantee a good aspiration for the engine.
Some pictures are shown here of the Negrente kit.

The Punto Sporting Mk2 has on the market two solutions for the exhaust collectors:

• CTSS 4/1 (4 cylinder hoses to one main hose)
• Supersprint 4/2/1 (4 cylinder hoses to 2 intermediate hose to one final hose)

Braccio (Classic Car from Bergamo) made some tests with both the collectors and said the CTSS 4/1 collector is really sudden and gives you more torque, whilst the Supersprint 4/2/1 collector is more progressive. More pictures and info about the Supersprint collectors are available below.

Braccio took some pictures of the CTSS collector, which I put here for your benefit:

Punto Sporting Mk2 has the possibility to install a complete exhaust system from Supersprint. They have prepared these parts:

• exhaust collectors
• central box
• metallic kat
• backbox

I thank Alessandro Minuzzo for his courtesy to publish the pictures of the work on his car.

The Italian PL Racing put on its site some pictures of a supercharging kit for the Punto Sporting Mk2. I report here those pictures and I'm waiting from them more information about that kit.

Picture no.1

Picture no.2

Picture no.3

Turbocharger

The Italian firm World of Plastic srl makes a turbocharger kit for the Punto Sporting Mk2. It is distributed by Autotest. A special page about that conversion is available here.

Engine substitution

Some guys tried successfully to substitute the origine Fiat engine, the 1.2 16 valves one, with something more powerful. Here there are the stories of people who succeeded:

• engine of Fiat Bravo 1.6 16v on John Siros's Punto Sporting

Brake Disks

There is an option for the Punto HGT front brake disks, that could be adopted theoretically also for Punto Sporting Mk2. Please go to the Punto HGT tuning page for more details.

Pop-off valve for Punto Sporting JTD

Since Negrente has debuted worldwide with the pop-off valve for all the most common turbodiesel engines, even the Punto Sporting JTD can receive a pop-off valve. The most common perception about the usefulness of such valve is that also a diesel engine has somehow a counterpressure in the intake tubes, when changing to upper gears, just like the petrol engines. There is not an air barrier of the closed throttle body, which obstacles the pressured air to return back, but turbodiesel engines could have higher pressure rates.

The main benefits of a popoff valve in the Punto Sporting JTD are listed here:

• avoids stressing pressures during gear changing
• frees a valuable amount of air, which obstacles the inlet turbocharger to pump faster more air to the engine
• sounds very racing!

Negrente has a complete kit that can be installed in the Punto Sporting JTD. Here there are some snapshots about an installed one.

click for bigger picture

More information is online at Negrente's website.

Chip tuning

There are different solutions for Punto Sporting Mk2 and Speedgear, but also the the diesel version, the Sporting JTD.

Punto Sporting Mk2 and Speedgear

Under construction...

Punto Sporting JTD

Several tuners offer real-time chip tuning or ready-to-go chips for Punto Sporting JTD. All of them are able to cheat the ECU and most of them leave the user to choose the maximum rate of power and torque.
There are also some additional chip kits, like the Rapid from Dimsport, which let you install it very easily, without touching at all the electronics of your car at all. These chips change the quantity of fuel injected by the common rail system, but these modifications are very far from being optimized, because the power output is not very high and there are some revs range where the car makes a lot of smog, because of too much fuel delivered to the cylinders.

Anyway any chip tuning on Punto JTD tends to stop the maximum power in the range from 103 to 110 HP, although it is likely to go on with even more power and torque. The biggest limit of the car is due to the small turbocharger, which is not intended for great amount of air pumped, and also the transmission system, the same one of the Punto HGT, which can not resist more than 250 Nm. Several users noticed the clutch disk spinning a lot with almost all the gears when accelerating and even the engine supports not being able to resist the increased strains impressed to the car frame.