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#1
1st August 2015, 07:29 AM
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Nice, thats the difference between FSI and injectors before the valves.
I don't think the terraclean would have made much difference to the valves tbh but what it may have done in the combustion chamber I cant say. I did watch Ed china doing it to an old Jag?? and it made a massive difference to the emissions. Glad you finally got round to doing the return valves, has it cured it?
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Del 
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#2
1st August 2015, 07:38 AM
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I've thought about having this done to my S8 and emailed a local terraclean franchisee. They didnt bother getting back to me...
This is the garage that wasnt bothered about my custom: http://www.swiftfit.com/terraclean-norwich.php
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2001 S8 D2 
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#3
1st August 2015, 08:48 AM
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My D2 PF S8 engine was just as clean when I took it apart with 124k on the clock without any special cleaning and very clean in combustion chamber as well.
About Ed chinas Jag, it's 2 years younger than my S8 and he had 0.65% CO and 500ppm HC before cleaning at idle speed. After clean it was 0.55% CO and 78 ppm HC. For comparison my S8 in last MOT did 0.00% CO at both idle and fast idle and 8ppm HC at fast idle(not tested at natural idle for MOT), a lot better then Jag even after clean. Jag might have different emission limits for MOT but for my S8 CO limit is 0.3% at natural idle and 0.2% at fast idle so by the S8 standards Jag would have failed MOT even after clean. HC limit for my S8 at MOT is 200ppm.
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Currently 8less 2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D 8 history: 2006 A8 Sport 4.2TDI quattro SOLD, 1997 S8, reached end of life with gearbox failure
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#4
1st August 2015, 09:23 AM
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My car just had the Mot done by the wife in my absence, must ask if she got any details like that.
Embarrassingly the car was 7 months over due, it's not the first time either 
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Del
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#5
1st August 2015, 09:44 AM
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Annual reminder in your calendar, set 6 weeks before, I find quite useful! Having said that my S8 is due to be done beginning of September, although it's not due till early October
I may have booked it in April to get it at £27......
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===SOLD===2002 Audi S8 D2 Final Edition (yes, really) in Avus Silver with purple extended leather===SOLD=== 2011 S5 Sportback in Phantom Black with black Super Sports leather, 9x20s, tech pack high, adaptive xenon plus, intelligent key, memory seats pack, sunroof, B&O, Audi Drive Select & quattro Sports Diff, DAB, parking system plus 2015 VW Golf GTI Performance Pack in Carbon Grey with black Vienna leather, tech pack (Discovery Pro nav & Dynaudio), DCC, factory towbar and retrofit RVC
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#6
2nd August 2015, 02:05 PM
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I posted a review of Terraclean (complete with before and after emissions tests) on the Detailing World forums.
The short version is: I was VERY impressed. It made a night-and-day difference to my Cavalier. I also had my Volvo done and while the difference was noticeable, it wasn't as dramatic as on the Cavalier. It'll be one of the first appointments I make for my Audi once I get it, although I am considering 'decarbonise your engine' instead, as that process also cleans the inlet manifold. Terraclean get to the bits in the combustion chamber and after.
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#8
2nd August 2015, 04:14 PM
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Quote:
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2012 A6 3.0 TDI Avant, Silver, 7 Spd STronic, Bose, ACC, Advanced Parking Camera, Power close / open tailgate, Side and Lane Assist, AMI & Jukebox, Adaptive lights with corner and high beam assist, Through load with ski bag, Audi pre sense plus, sports diff and sport suspension, Panoramic roof, Storage pack, MMI touchpad and VIM, etc. Oh and now retro fit rear seat entertainment  2019 BMW I3. Heat pump, Winter, professional and comfort packs, Harmon Kardon, autopilot 2022 Mercedes EQC 400 Previously: 2009 S8, Silver, B&O, Ceramic Brakes, Advanced Parking Camera, VCDS 2008 A8 3.0 Tdi sport, B&O
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