death_paladin9
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Is the difference only in software or is there something more ? I'm asking this for my own curiosity 
Thx,
Thx,
Technical Difference between 120 and 150 T-jet
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Technical Difference between 120 and 150 T-jet
Yeah I think the turbo is different. I think the 150's are set up slightly different also regards engine and suspension etc but I may be wrong.
So what's the turbo on 1.4 T-Jet 120T ?? On 1.4 T-Jet 150T it's "IHI RFH3 turbocharger with waste gate valve managed by the injection control unit via a turbo pressure solenoid valve". eLearn for Bravo doesn't have any details bout 120T, only 150T...
No idea but I was under the impression all the Fiat cars with 120bhp use a smaller turber (Grande Tjet, 120 Bravo Tjet) where as the 150bhp versions uses a bigger turbo (Abarth Grande Punto, 150 Bravo Tjet) etc....
Yes the main performance difference between the models is the size of the turbo. I think Oldschool has tried this out as a simple test in the past.
The standard 120 performance is 145wlbft and 135fhwp, yes the hp output is higher than oe advertises.
Still the 120 can be improved a lot by simple remap, 180-185wlbft and 145fwhp, the total hp is not as impressive as the turbo does start to run out once it reaches 3500k rpm, but don't forget it already has extra 15hp more than advertised!!!
As always size...matters..especially with turbos!
The standard 120 performance is 145wlbft and 135fhwp, yes the hp output is higher than oe advertises.
Still the 120 can be improved a lot by simple remap, 180-185wlbft and 145fwhp, the total hp is not as impressive as the turbo does start to run out once it reaches 3500k rpm, but don't forget it already has extra 15hp more than advertised!!!
As always size...matters..especially with turbos!
the 150 turbo is different internally to the 120's turbo.
death_paladin9
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Thanks for all your replies. So if I remap my 120 T-jet to 160 hp, it will have less fuel consumption (if driven under normal conditions), 260 Nm torque ?
Then why doesn't it Fiat remap to optimal performance and consumption ?
What is with engine wear out when tuned ?
Here is link to tuning specs..
What do you guys think ?
Then why doesn't it Fiat remap to optimal performance and consumption ?
What is with engine wear out when tuned ?
Here is link to tuning specs..
What do you guys think ?
Fiats standard oem map is a comprimise between power and longevity.
your fuel consumption will be better with a re-map, if driven the same.
your fuel consumption will be better with a re-map, if driven the same.
snedboy
New member
As standard the 150 is a high compression turbo engine with whats got to be the smallest turbo i have ever seen on a petrol turbo car!!
With the high compression this means that it is still torquey whilst off boost allowing better driving capability BUT this means when running higher boost levels the piston is then under higher extremes of pressure and heat which in long term causes detonation
Ide imagine the 120 has even higher compression,smaller turbo and may even have smaller valves but not definite
The reason cars leave factory without optimum performance and fuelling is due to new regulations for CO2 emissions and believe it or not noise levels aswell
If i was to modify one of these first thing ide want to do is get mahle pistons with lower compression,bigger turbo equivelent to T3 size,an all alloy cooler and rad,samco hoses,uprated clutch,bigger front brakes wether discs only or caliper disc combo and obv a re-map,stainless,filter and a better suspension set up with front polly bushes,uprated anti-rollbars and full suspension kit of shocks and springs
With the high compression this means that it is still torquey whilst off boost allowing better driving capability BUT this means when running higher boost levels the piston is then under higher extremes of pressure and heat which in long term causes detonation
Ide imagine the 120 has even higher compression,smaller turbo and may even have smaller valves but not definite
The reason cars leave factory without optimum performance and fuelling is due to new regulations for CO2 emissions and believe it or not noise levels aswell
If i was to modify one of these first thing ide want to do is get mahle pistons with lower compression,bigger turbo equivelent to T3 size,an all alloy cooler and rad,samco hoses,uprated clutch,bigger front brakes wether discs only or caliper disc combo and obv a re-map,stainless,filter and a better suspension set up with front polly bushes,uprated anti-rollbars and full suspension kit of shocks and springs
What's interesting is that a remaped t-jet 120 ( 160 ) is still slower from 0-60 mph than the standard 150 t-jet. Horsepower doesn't just fall out ot the sky..For that tuner (competence tuning i heard only good things )
All manufacturers have different power output so that they have a product range, the guy with 120hp looks up at the guy with 150hp and the guy with 150 looks down at the guy with 120...etc ..etc..
I must admit that the retune you link to is very impressive, do they do anything else to the car than a straight remap?
Probably a misprint but they manage to get the 120 turbo to output as much torque as the retuned 150, well within 7lbft..which is bloody good!!
120 retuned to 260nm (192lbft)
150 retuned to 270nm (199lbft)
I have read it right?
Is it possible?
Trekster
New member
A very well-respected tuner in Denmark offers remaps of the 120 and 150. The 120 is @ approx 145-150bhp and 260nm while the 150 is @ 170-180bhp and 280-285nm.
Sorry for digging up the past, but for starters, no it's not, the 120 is an IHI VL37 and the 150 is a VL36.
I'm just wondering if the injectors are different on the 150? I've just upgraded to the Abarth VL36 turbo from the GP and wondering what else to make it as 150-like as possible.
Cheers
Not sure about the 90, probably could do due to non-turbo. The t120 and the t150 are the same. It's effectively the same turbo with a few mm difference inside.
Basically the major differences between the 120 and 150 are the difference in turbines (VL37 on the 120 versus vl36 on the 150) which are identical in size but the one on the 150 has a bigger "propeller" inside producing more air. Basically the "ceiling" for moding the 120 is about 140-145bhp and for the 150 is 180-190bhp. Also, the cams are different for the 150 going a bit "deeper" (degrees of timing) giving higher Hp. Everything else is pretty much the same (talking about the engine).
The answer is in the last post. Of course it will be fine.
