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benefits of decat and egr blanking
#1
hi there has anyone de catted their 2.0 hdi? i have an 04 and was thinking of doing this when my cat finally goes...what are the pro and cons?
and where do you get one?
also the same goes for egr valve...
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#2
Mechanic friend of mine de-cat his wifes 306 (or 7?) after the turbo blew.
It is a 1.6 HDi not 2 ltr.
Went like dirt off a shovel afterwards.
He works in Saudi at moment, so can't ask him for an update.
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#3
(05-03-2013, 07:15 PM)j90xxx Wrote:  Mechanic friend of mine de-cat his wifes 306 (or 7?) after the turbo blew.
It is a 1.6 HDi not 2 ltr.
Went like dirt off a shovel afterwards.
He works in Saudi at moment, so can't ask him for an update.

A decat will free up a couple of HP, but nothing particularly noticeable.
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#4
On a petrol motor, as the cat often slowly fails - the difference can seem night and day.

Ignoring decats on older cars, is probably less polluting than letting cars with blocked cats waste far more fuel in less efficient conditions of combustion with a badly flowing converter.
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#5
Yes to both.

Speak to your local garage, get them to cut it out and weld in a piece of straight pipe. Make sure you get the old cat and weigh it in, it'll cover the cost of the work :thumbsup:

Unbolt and remove the EGR whole assembly. Use the ends as templates to make up blanking plates and bolt these in place.

Neither will give outstanding gains, but they help the engine breath more easily. EGR is the most noticeable
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#6
I de-cat my 2004 2.0hdi berlingo and i found it was running much smoother..... it does free up the hp too and i find im getting better MPG.... i was getting i say around 50MPG now i say its 60MPG... all in all i was happy out! Nice Whistle off the exhaust too..Wink haha
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#7
Would there be any benefit to doing this on the 1.9 DW8 engine?
Malc

Stupid computer!
Security system should not fail safe!
Security system should fail dangerous!
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#8
Do take into consideration a missing cat is an MOT failure from 20th March 2013:

http://www.theaa.com/motoring_advice/car...-2012.html
[-] The following 1 user says Thank You to tc_1 for this post:
  • scotty3968
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#9
SO...Can you buy a propa decat pipe? or do you have to cut and weld a new section in?
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#10
I think that may be a no.....try Googling for ya never know!
The Older I get the Better I Was!  Cool
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