[bradsm87]

I've chemical cleaned mine. Takes more time but good option if you don't have access to a walnut blaster. Wynns "Petrol EGR 3" is meant to be awesome for it. I just used more traditional solvents and lots of scrubbing.

[Abax335]

Originally Posted by bradsm87

I've chemical cleaned mine. Takes more time but good option if you don't have access to a walnut blaster. Wynns "Petrol EGR 3" is meant to be awesome for it. I just used more traditional solvents and lots of scrubbing.

This is a brand new method that hasn't been introduced to the automotive industry yet. They have done testing and designed this chemical specifically for carbon build up on valves and pistons.

This kit has not even been released as automotive news yet. They are getting real life testing in the field at shops. After speaking with them they have done three shops so far, and right now they are the only ones that have this kit that clean without removing the intake or head and clean while it runs.

[Flex68]

Originally Posted by Abax335

This is a brand new method that hasn't been introduced to the automotive industry yet. They have done testing and designed this chemical specifically for carbon build up on valves and pistons.

This kit has not even been released as automotive news yet. They are getting real life testing in the field at shops. After speaking with them they have done three shops so far, and right now they are the only ones that have this kit that clean without removing the intake or head and clean while it runs.

I just googled the wynns cleaner and sounds like gold if it works and doesn't damage any other components in the engine ..

[Abax335]

Originally Posted by Flex68

I just googled the wynns cleaner and sounds like gold if it works and doesn't damage any other components in the engine ..

It's a Valvoline system not wynn's. The drip system there was always a chance of causing hydro-lock if the car stalled and it continued to drip into the engine but the Valvoline kit is a fogger and won't puddle like the drip. It work's and cleans the areas that need the attention but without the walnut shells it wont be the like new clean that you get with that. I truly believe it will be a good maintenance thing to do at least once a year.

owning a 335 i know i will be doing it myself pending pricing, not yet released or worked out with the dealers so if it cost too much the walnuts are less than 50$ at my price for a box.

[Flex68]

Originally Posted by Abax335

It's a Valvoline system not wynn's. The drip system there was always a chance of causing hydro-lock if the car stalled and it continued to drip into the engine but the Valvoline kit is a fogger and won't puddle like the drip. It work's and cleans the areas that need the attention but without the walnut shells it wont be the like new clean that you get with that. I truly believe it will be a good maintenance thing to do at least once a year.

owning a 335 i know i will be doing it myself pending pricing, not yet released or worked out with the dealers so if it cost too much the walnuts are less than 50$ at my price for a box.

Ohhhh I see .... Sounds very good .... Is there a eta on public release ?

[kmx]

Originally Posted by FCobra94

Your current catch can only works while boosting and I'm guessing that you don't spend the majority of your time in boost; because street car.

Either way, remove the RB valve and jump on the RB External PCV group buy instead. The parts in that kit will allow you to add a catch can on the vacuum side of the PCV system; i.e. the side that actually ends up gunking your valves to begin with.

thanks so much for mentioning this PCV kit, i was just about to buy an oil catch can only.

now i just need to find where to actually buy this which is surprisingly more difficult than it should be

[Thacuda]

so much fail. I have literally done over 200 "drip" cleanings. Never seen a hydro lock. Damn near impossible. It works on vacuum, and is a fine mist that is pulled in. This isn't some new mystery or miracle job they are doing. Someone is selling you snake oil.

[Odan.be]

My mechanic cleaned my intake valves chemically about 1 year ago.
Pretty good results..
I will need to clean them again soon... i'll ask for before and after pics

[xcusem3]

Not sure how you guys haven't heard of the chemical cleaning before, it's been around for a few years now. I've had both walnut blasting & the chemical cleaner done on my car. Both give decent results, my only recommendation is that if you have never had yours cleaned out before, go with the walnut blast first as the chemical cleaners won't get all the gunk out of there as it's been caked on for too long. Works great for a second, third, fourth cleaning though.
Best thing it's about 1/3 the cost of the walnut blast. (at least my experiences anyhow)

[spain4065]

What is this magical non-invasive solution? Interested...

[darkkevin]

Here's a link to what I use http://easygdi.valvoline.com/

I have NOT removed an intake as of yet to physically see the results, however, I can tell you I HAVE fixed misfires using the system. Maybe one slow day or weekend I'll pull an intake before/after. Don't get many slow days at my shop tho

[stanlalee]

If your talking chemical valve cleaning as in taking the intake manifold off and using chemicals and a brush/pic/file etc to clean the valves vs walnut blasting there is no difference except the walnut blasting will take ten thousand less hours to finish. No matter what chemical you use elbow grease would be required to clean the carbon off each and every valve. I didn't know what walnut blasting was until I bought a BMW. The VW guys were doing it chemically....which is another way of saying manually.

If your talking about any way to clean the valves that does not require removing the intake manifold and acting directly on the valves its snake oil. Simple as that.

[theweebabySeamus]

Originally Posted by stanlalee

If your talking chemical valve cleaning as in taking the intake manifold off and using chemicals and a brush/pic/file etc to clean the valves vs walnut blasting there is no difference except the walnut blasting will take ten thousand less hours to finish. No matter what chemical you use elbow grease would be required to clean the carbon off each and every valve. I didn't know what walnut blasting was until I bought a BMW. The VW guys were doing it chemically....which is another way of saying manually.

If your talking about any way to clean the valves that does not require removing the intake manifold and acting directly on the valves its snake oil. Simple as that.

I agree, with the amount of elbow grease it took me to get a 'better than it was' finish when I did mine I'm not sure how a chemical mist could clean them that effectively.