I am not aware of any additive for fuel or oil that helps prevent the oily carbon build up in the intake. The only thing I am aware of is the addtion of catch cans to minimise the oil that gets into the intake from the PCV system. This then limits the build up of the carbon / oil crud

 

Understood, thanks! I read often of buildup around the valves and such, so wanting minimize if at all possible. Thanks for the feedback!

 

Catch can and EGR delete are your only real options.

 

Yes EGR delete and PCV vent direct to atmosphere in combination will stop the carbon / oil build up in the intake but they are illegal in most parts of the world even if inspections are not done to detect them routinely.

 

With a V10 you'll have lots of other stuff keeping you busy.... Very unlikely that carbon buildup will be your worry.

 

Very true, so far so good though! I have an 06 that just turned over 123k. Purchased it with 88k a few years ago and all that been mechanically is the alternator. Definitely over engineered and underpowered but pretty unique vehicle.

 

I don't recall the last time I saw a clean v10 autoscan... or if I've ever actually seen one!
Please feel free to surprise me.

 

You're absolutely correct!👍🏾 Just trying to minimize if at all possible😉

 

Just drive it hard and clean the intake manifold every 300k miles and you'll be fine 🤣

Don't add anything to your engine oil on a VAG diesel, or you are asking for serious problems.

 

This is the one response I was waiting for! I can definitely do that! Respect..✊🏾

 

The fuel is injected directly into the combustion chamber. No fuel additive in the world can help with carbon on the back of valves, or garbage in the intake, as it doesn't touch either of these things.

 

For the same reason the oil in the intake charge builds up on the back of the valves and inlet.