 | Home > Puma (Tdci) > Decat - is it worth it? |
 
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731   
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Brilliant Mal - many thanks
Can't wait to get out the enormous masonry bit I never use 
Steve - yep, the blank arrived and looks spot on. At the moment I am (trying to) do some kind of technical comparison of each mod before and after, to give some proper answers about what you can expect. Ran with the EGR valve unplugged 3 days last week - identical trips into work with motorway and city driving. Driving into work, I'm measuring noise level at 100 km/h, maximum speed, maximum power (according to Scangauge) and then, back home, fuel consumption whilst driving like a granny (bit more hit-and-miss because traffic can vary). My objective feeling so far is that the engine is softer than usual i.e. quieter across the range. Next week the plug goes back in and test again. If I am certain there is a noticeable difference, I'll fit the blank and test again... or I might just fit it anyway. You're not  because when Mal's cat arrives I intend to de-cat and test again  Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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6th Oct 2012 6:34pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 19665 
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Mal's posting you his cat is he   On a more serious note. It sounds a very good plan. It's difficult to tell with out any true way of comparison what difference has been made.l Diesel$ Live$ Matter. ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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6th Oct 2012 9:52pm |
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| BruceT Member Since: 01 Nov 2010 Location: South Africa Posts: 516 
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Brilliant. Thank you all for the replies. I think I may try modifying the standard pipe.
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13th Oct 2012 5:47am |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Mal's will soon be ex-pat and ex-cat
Paddocks are sending me the correct manifold gasket which I will use as a template to make a slip-in blank. Bad photo (only one Google could find!) but looks like ss: 
looking good :) Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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13th Oct 2012 7:44am |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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Matt, I too can 'double post'.....
If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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13th Oct 2012 8:33am |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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"Tennis" - cool
PM sent - really want to make something everyone can use Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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13th Oct 2012 11:23am |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Yeehaaaa! The cat has arrived (just checked the garage)
Bloody hell Mal - that's some serious packing
Thanks x 2 - I won't have to worry what to pack the Christmas presents in either 
Matt Tell someone you love them today because life is short. But shout it at them in German because life is also terrifying and confusing... |
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16th Oct 2012 3:54pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Those with weak stomachs, look away now...
Click image to enlarge Click image to enlarge Click image to enlarge 10 minutes and a lot of dust - hopefully not asbestos
If I can, I'll be testing emissions before and after EGR blanking and cat removal - can probably squeeze some school project out of it for my lazy son :thumbsup: Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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18th Oct 2012 9:05am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2605 
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I thought cats were made of platinum, hence the exorbitant cost? -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged
Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ |
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18th Oct 2012 9:07am |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Ceramic honeycomb with platinum coating (must be very thin as I couldn't see any...) Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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18th Oct 2012 9:19am |
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| mermoto Member Since: 21 Sep 2011 Location: Essex Posts: 326 |
Bloody hell tha's gotta improve exhaust gas flow :shock: Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated |
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18th Oct 2012 3:14pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7712 
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will you get increased turbo lag though? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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18th Oct 2012 7:36pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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That (and many others) is the big question, and there's only one way to find out
Any idea how I might objectively measure it? I've got a while to plan before I can put the de-cat to the test. Tell someone you love them today because life is short. But shout it at them in German because life is also terrifying and confusing... |
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18th Oct 2012 7:58pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7712
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how long is a while? Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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18th Oct 2012 8:28pm |
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