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Old 29-01-2008   #1
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De-cat for T-Jet

Ok then i want to de-cat my T-Jet to get some extra bhp

So what i want to know is if anyone knew of where i could get one from (made up etc..)

Thanks
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Old 29-01-2008   #2
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Re: De-cat for T-Jet

powerflow? You sure it will help? Any pre/post lambdas to consider?
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Old 29-01-2008   #3
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Re: De-cat for T-Jet

A modern engine without a cat` is unlikely to meet emission requirements. They will catch up with you come MOT time or if you are subject to a roadside check.... then they will jump on you. There are easier (and Legal) ways of gaining a few more ponies......your choice though.
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Old 29-01-2008   #4
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Re: De-cat for T-Jet

I'd advise against it very much!. Fiat would take it as an excuse to void warranty on your whole exhaust and Turbo.
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Old 29-01-2008   #5
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Re: De-cat for T-Jet

Well basically i dont care about the warranty. If something goes wrong i have a very good FIAT dealer. Plus ive already got a full stainless exhaust system so my exhaust system is already void of warranty. And as for the Turbo if that was to go, well.......... its just an excuse to fit a bigger one

As for sensors thats why i was asking about it on here i am blank on that front.
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Old 29-01-2008   #6
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Re: De-cat for T-Jet

I imagine there will be pre and post cat lambda sensors.

I wouldn't consider it, id rather do it properly and get a race cat.
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Old 29-01-2008   #7
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Re: De-cat for T-Jet

Woo i havent herd of a race cat. Wots the difference?
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Old 29-01-2008   #8
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Re: De-cat for T-Jet

Quote Originally Posted by Beevz View Post
Ok then i want to de-cat my T-Jet to get some extra bhp

So what i want to know is if anyone knew of where i could get one from (made up etc..)

Thanks
my god the toy-jets are really getting desperate to gain that extra bhpwhy not rip out all the interior except of course the drivers seat it will go faster then
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Old 30-01-2008   #9
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Re: De-cat for T-Jet

The OP gobsmacks me with his ignorance and blissfull disregard for his wallet!
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Old 30-01-2008   #10
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Re: De-cat for T-Jet

Quote Originally Posted by Ffoxy View Post
The OP gobsmacks me with his ignorance and blissfull disregard for his wallet!
Yes I was thinking that.... He's driving a Fiat Petrol Turbo... Warranty is a very valuble thing in the early years!.

A Race cat is a replacement for the OEM cat and allows a higher flow for higher performance but still cleans the gasses and allows for your lambda sensors to do their job too. You can buy a universal one from a number of manfucturers and get an exhaust place to weld it in place etc. Not sure what the Tjet exhaust design is like yet. If you go to the RR day im sure we could have alook for you.

I decatted my 1.4 16v (T-jet without the turbo) and it ran rough as hell!. Used to splutter and back fire and shoot flame under full load and then deacelleration. Put the original manifold back on with the CAT in and ran perfect right away.....
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Old 30-01-2008   #11
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Re: De-cat for T-Jet

NA engines often run rough when de-catted as they need a certain amount of back pressure. Only exception is when on full chat.
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Old 30-01-2008   #12
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Re: De-cat for T-Jet

Quote Originally Posted by Hellcat View Post
NA engines often run rough when de-catted as they need a certain amount of back pressure. Only exception is when on full chat.
Exactly right. Top end (above 4000rpm) there was a fair bit extra power but I lost nearly all my low end torque. It also drank like a re-offending depressed alcoholic .
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Old 30-01-2008   #13
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Re: De-cat for T-Jet

As did my Tipo, ran a lot better once I put the sports cat on.
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Old 30-01-2008   #14
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Re: De-cat for T-Jet

Quote Originally Posted by Ffoxy View Post
The OP gobsmacks me with his ignorance and blissfull disregard for his wallet!
Ye well as they say "you cant take it with you"!
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Old 30-01-2008   #15
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Re: De-cat for T-Jet

Quote Originally Posted by Beevz View Post
Well basically i dont care about the warranty. If something goes wrong i have a very good FIAT dealer. Plus ive already got a full stainless exhaust system so my exhaust system is already void of warranty. And as for the Turbo if that was to go, well.......... its just an excuse to fit a bigger one

As for sensors thats why i was asking about it on here i am blank on that front.
Sounds like you have more money than sense

Quote Originally Posted by jassyo View Post
my god the toy-jets are really getting desperate to gain that extra bhpwhy not rip out all the interior except of course the drivers seat it will go faster then
oh i'm more than happy with my 120bhp thanks you
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