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chris gibson
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PostSubject: Engine conversion emissions    Tue May 03, 2016 11:32 pm

I'm hoping on doing an engine swap during the summer but my nct isn't until September...
What is the story on emissions side of the conversion, will it more than likely fail due to emissions??
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Eoinie1



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PostSubject: Re: Engine conversion emissions    Tue May 03, 2016 11:43 pm

If its a bigger engine the emmissions will be higher , a good cat and a half bottle of dipatane will go along way , have been told a 1.8 petrol mondeo cat is the one to use
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chris gibson
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PostSubject: Re: Engine conversion emissions    Tue May 03, 2016 11:47 pm

I plan to go a from 1.0 n/a to a 1.3 turbo... I did see some one looking for a mondeo cat alright
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Smokey

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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 12:04 am

Shouldn't make any difference really so long as engine management is right and it's got a cat! Fuelling has to be correct to pass inside the same tolerance regardless of the cc of the Engine only exception is for early cars from before cats and such!
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chris gibson
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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 12:09 am

It'll always have a cat for the test regardless... Is the fuelling to be related to the original engine or just within a certain %??
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Eoinie1



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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 12:16 am

Certain % regardless of car/engine is my understanding
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BiMotoMan
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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 7:53 am

Same emission rules apply to all cars/all engines.
1L Yaris has d same emission as 6L merc.

If engine is running right/fueling correct then designated catalist should bring it to req spec.
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nathan mckeown g6 4-efe!!
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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 6:47 pm

weld in 2 or 3 cats and there wont be a loss
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5e colin

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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 6:56 pm

and if turbo is smokey then go tru without and de turbo it but use turbo cat

i do every year Smile
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SHinjitsu

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PostSubject: Re: Engine conversion emissions    Wed May 04, 2016 8:03 pm

As said above emission rules are the same, as long as you have a good cat in the turbo engine you will be fine no need to weld in extra or bigger cats... a good healthy engine with a good cat should fly thru the nct
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heilong79
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PostSubject: Re: Engine conversion emissions    Sat Jun 11, 2016 1:55 am

I thought it depended on the age of car, for example older cars are allowed have higher emissions than newer ones.
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