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Profile : Carbon Doctor
27-06-2018, 09:00 PM
Post: #1
Profile : Carbon Doctor
Carbon Doctor has came to the party when we approached forum advertisers. We all know what they do, and how well they do it. We would like to welcome them as sponsors, and at the same time announce that Carbon Doctor will be will be SPONSORINGthe following :

1 x Carbon clean to the winner of the drag racing. (Fastest time of the day)
2 x Carbon cleans as a give away prize.

They will have a form for all prospective winners to fill in and 2 names will be drawn later in the day. These are limited to a 6 cylinder clean or 4 Cyl. These carbon cleans are valued at a normal retail of R 3 250!!!

[Image: raceday-2018-carbon-doc-02_2461662972.jpg]

Profile of the Company :

Carbon build on valves and inlet port explained:

Due to modern unburned hydrocarbon regulations, vapors from the crankcase are usually vented into the intake stream in order to prevent oil droplets from escaping through the exhaust. In a port injection traditional engine, these droplets are ‘washed off’ the neck of the intake valve by a relatively constant stream of fuel. In a DI (direct injection) engine, the gasoline doesn’t touch the intake side of the valve. As a result, the droplets have a tendency to bake onto the valve and cause significant carbon deposits causing a reduction in performance, rough idling, difficulty starting and eventually bad sealing of the valves. To add to this effect, many advanced DI engines also include exhaust gas recirculation in order to lean out the combustion mixture and reduce in-cylinder temperatures for certain combustion modes (reducing NOx emissions). Since DI combustion has the ability to produce far more soot than premixed combustion (port injection), the problem is magnified.
Even more alarming is that these deposits can dislodge and damage other downstream components (turbochargers, catalytic converters, etc.). Manufacturers have added systems to capture these oil droplets and particulates, but no system is 100% effective. As a result, there are many disappointed early adopters with large repair bills. Cars with as low as 50,000km are affected and benefit from the clean. Even diesel engines haven’t been immune to these issues.

Symptoms of carbon build up are typically:

Rough Idle


Leaking valves

Power loss


Engine check lights


[Image: signature_2082411609.jpg] - - - - - - - - - - [Image: 120d avatar_6603350746.jpg]

[Image: bmw-official-events-signature_8286350658.jpg]
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Demontec, PLV
27-06-2018, 09:23 PM
Post: #2
RE: Profile : Carbon Doctor

2011 120d Coupe (Black - Yin)
2012 125i Coupe (White - Yang)

2009 Z4m Coupe ( found a new home )
07 Audi A4 ( Passed onto father inlaw )
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