Alfa Romeo Forum banner

1 - 17 of 17 Posts

·
Registered
Joined
·
684 Posts
Discussion Starter #1
There is always mention of someone remapping or chipping their car.
I have a general idea of it but how does a remap increase a cars bhp/torque and responsiveness through the gears mainly when a 2.0 TS is being remapped?
 

·
Registered
Joined
·
2,077 Posts
No one dare answer!, all afraid of being shot down in flames by those that lurk in the shadows :), i haven't any specialist knowledge, probably just a general idea as you have, pulled this off wiki though.

Chip tuning refers to changing or modifying an EPROM chip in a car's or other vehicle's electronic control unit (ECU) to achieve better performance, whether it be more power, cleaner emissions, or better fuel economy.

This was done with early engine computers in the 1980s and 1990s. Today, the term chip tuning can be misleading, as people will often use it to describe ECU tuning that does not involve swapping the chip. Modern ECUs can be tuned by simply updating their software through a standard interface, such as OBDII. This procedure is commonly referred to as engine or ECU tuning. ECUs are a relatively recent addition to the automobile, having first appeared in the late 1970s.

As technology advanced, so did the electronics that go into cars. The ECU in a modern automobile, together with advanced engine technology, makes it possible to control many aspects of the engine's operation, such as spark timing and fuel injection. The ECU may also control electronic throttle control (drive-by-wire), valve timing, boost control (in turbocharged engines), ABS, the automatic transmission, speed governor(if equipped), and the electronic stability control system.

Performance gains are realized by adjusting the ignition timing advance. Higher timing may result in higher performance. However, to cope with advanced timing, one must run high-octane gasoline to avoid pre-ignition detonation or pinging. Manufacturers design for a specific timing and this may limit performance accordingly.

In addition, changing fuel maps to coincide with the stoichiometric ratio for gasoline combustion may also realize performance increase. Most manufacturers tune for optimum emissions and fuel economy purposes which can limit performance.

Cars with a turbo fitted can have the requested and allowable boost levels raised, these applications usually have the most effect if the turbo fitted is a low pressure turbo which leaves the most room for improvement.

Another reason to change the ECU map is if there are engine, intake, or exhaust modifications to the car. These "bolt-on" modifications alter the way that the engine flows, often causing the air to fuel ratio to change. Without re-mapping the fuel tables, some of the performance gains from the modifications may not be realized.

A poorly tuned ECU can result in decreased performance, driveability, and may even cause engine damage.

The most common way to 'upgrade' the ECU is using either plug in modules as mentioned above or using a specialist tuner who will use an OBD Flash tool. These devices generally plug into the diagnostic port although in some cases the reprogramming is done directly on the circuit board. Maps are supplied by tuners
 

·
Registered
Joined
·
684 Posts
Discussion Starter #3
haha finally a response, good information to know here.
I think another thing people do is increase the rev limiter, dont really think its the best way to get more power out of the engine but.
 

·
Registered
Joined
·
18 Posts
I am, like I'm sure N-AM 007 is, curious to actually feel what a 'chipped' car is like as I have also been considering this mod for quite some time. Anyone in the Norfolk area please let me know hehe. No, serious: 07595 369616
 

·
Registered
Joined
·
2,077 Posts
They "feel" exactly the same, but when you start up and drive the performance is noticeably improved! :)...sorry ollie couldn't resist, (childish i know).
 

·
Registered
Joined
·
578 Posts
i re-mapped my 2.0 ts spider before by "upsolute" chiptuning. i dont know why but i noticed the real difference after using a whole tank of petrol. i think ts engine should be like this, it revs higher-upto 7500 rpm (should not see the needle there often) and produces 15 bhp and 20 nm more.
 

·
Registered
Joined
·
4 Posts
Specialist Alfa chip tuning.

Squadra Tuning in The Netherlands does an excellent job and is the only expert I know who can tune AR correctly. He is a former Alfa employee. I had my 1.8TS remapped and now my 2.0JTS. Their web site is bi-lingual (sort of).
2.0TS is + 10HP and +16Nm. More important is the improved drivability. I have no commercial ties with this company.
 

·
Registered
Joined
·
3,058 Posts
Mines only just getting into its stride at 7k, but do you think 7.5k is safe? I'd probably take it to 7250-7400 to be safe?
 

·
Registered
Joined
·
578 Posts
Actually as far as i know higher rpm is only for 0-100 performance because usually both power and torque dies at these revs. I remember that ts gearboxs' 2nd gear ends after 100 km/h -so i dont know why this mod had been made. Its something like loud mode i guess!!!
I have autodelta chip on my v6 tb now and the 2nd gear ends just before 100 km/h. If i had troubles with 0-100 performance i would want the engine to rev up higher to reach 100 km/h before i shift to 3 rd.
 

·
Registered
Joined
·
212 Posts
I have mine ECU tuned I wont use the word chipped because the Chip is not changable in my ECU and she pulling 170 BHP and still rev limits at 7000.

So she has been re-mapped and it works very well.
 

·
Registered
Joined
·
684 Posts
Discussion Starter #11
I have mine ECU tuned I wont use the word chipped because the Chip is not changable in my ECU and she pulling 170 BHP and still rev limits at 7000.

So she has been re-mapped and it works very well.
How did u manage 170hp? Notice a major difference ?
 

·
Registered
Joined
·
3 Posts
remapped alfa romeo spider 916 2.0 ts.

Hi there I have a 2001 alfa romeo spider 2.0 ts 16v and its done around 58000 miles to date with history. The car comes standard with 150bhp. This model had a twin cat fitted as standard and another single cat and then 3 large silencers and a small cylinder with a oval rear pipe. The first thing I done was remove the twin cat and a silencer with a taylor made stanless steel pipe. I added a K & N air filter and now the car has improved power and a much better sound. Tomorrow I take it to turque tuning in enfield to remap the ecu. Hopefully a even better improvement to the engine performance. I cant wait. As soon as its done and its power is recoreded on the road rolling machine, I will report the performance on this site. Until then LATER.
 

·
Registered
Joined
·
253 Posts
I spent £550 I total getting mine re-mapped or chipped. And honestly... The only thing ice noticed is is very free reving throughout the whole rev range but apart from that... Nothing.. In all honesty I wish I spent the money on a custom built exhaust or a holdiday haha
 

·
Registered
Joined
·
1,047 Posts
Sometimes it's just better to leave it, for the sake of 12bhp is it really worth the cost? Like most say, a decent catback quad exit sounds better and will give more enjoyment in the long run :D
 

·
Registered
Joined
·
10,609 Posts
Gus at Alfatune did the work on the chip in my ph1 twinny, i bought the car with a 'superchip' fitted, it was my first Alfa so i have no performance benchmark, when i got used to the power/performance difference from my Scooby i enjoyed it and thought it went great, the ph1 is fitted with a powerflow exhaust and a sports cat, the above mentioned Gus then removed the superchip and reworked one of his own (not sure if it was standard or not) the car runs smoother, faster and better driveability then the generic 'performance' chip....; Recommended...:thumbs:
 

·
Registered
Joined
·
175 Posts
I thought about a re map but went down the custom exhaust rought and de cat,very happy with the results,revs more freely and sounds great, oh and cheaper.
 

·
Registered
Joined
·
3,058 Posts
Cool,

I haven't touched my exhaust/cats yet and it still keeps up with stock 3.0 gtv's

Wouldnt want it to sound too loud though but I was surprised at how good the TS exhaust sounds after I heard Chocoboys.

I wonder what these two mods combined would be like :cool:
 
1 - 17 of 17 Posts
Top