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Old 07-13-2008   #5 (permalink)
Racer704
Water Injection
 
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Join Date: Jul 2008
Posts: 24
Default Re: Effect Of Carbon Buildup

Methanol/Water is very good to decarbon your combustion chamber but doesnt do anything for your cat or O/2 sensor. If there is alot of carbon it will push it to the O/2 and cat . If your running a gasoline engine sooner or later your injector start to form varnish and then they dont spray a correct pattern or atomize so the fuel can then vaporise.This will cause carbon anda slight miss at idle from the fuel droplet being to large and we cant compress a liquid.

There are few products on the market that trully clean an injector and fuel system and only one that will clean the injector, O/2 and the cat as well as cleaning the carbon built up on the back of intake valves and pistons.

Most cleaners are high concentraits of Techron and other forms of petroleum distilants, they usally burn much so suity that they can make some carbon issues worse.You have many dealers that want to decarbon your engine for 100.00 plus dollars and they are really suppose to drop your cat to do it properly.

I was a GM tech for 16 until 1991 when i had a stupid moment and caught a trans and destroyed my back. The carbon cleaning agent next to water is GM Top Engine Cleaner, but it will clog up converters and GM had a bulliten about dropping cats prior to use. No one did it and still dont I am self employed and work on Pro Cut brake lathes and sell them so I am in shops all day and all the differant manufactures.

Most injectors are self cleaning but fuel is worse to day because of Katrina and the loss of the refinerys so are wounderful government allows the fuel companys to slide on the quality so they get to charge us more and do a worse job.

If you live in the US and in the midwest I would have a FFV or convert my old car to run on E-85. You wouldnt have to worry about carbon at all then and you would be at 105 octane.

If you really want to clean carbon and your fuel system along with O/2 and the cat. look into a shop that uses Terraclean, it was invinted by some very smart people at MIT by accident. What it is and how it works is a gas thats been modified to be used in a machine that hooks up like alot of other injection cleaning devices thru the shrader port. Its a 2 can kit and it uses nano technology so that its such a small droplete and then negetivly charged and it attacks carbon and varnish and dispurses it into a vapor. Now it wont break off large pices like alot of the systems being used in the dealers today.In doing so it passes thru the convertor and it also cleans the O/2 sensors and the conveter also.

Sorry I kinda ran on in this thread but you can go to there site Terraclean.net read about it and if you need a service sometime they can help you with finding a shop thats using it. I have seen slugish O/2's respond to this very well and also cars or trucks that have lost fuel milage over the years come back of course this is if everything is working mech. and elec.I also saw it unclog a convertor on a older Caprice with a old bead style. Convertors clogging up are 1 of the biggest areas for loss of fuel economy and its from carbon.

Once again to all the members i am so sorry for dragging this out. I guess my first post shouldnt have been involved..lol

I also drag race with E-85 that we blend to 118 starting with large drum of E-98 from the plant as they can send out 100% or it would be untaxed White Lightin then add a % of Sunoco NOS Supreme which is a slower burning race fuel then the rest. It works great with nitrous as we spray about 800 to 1000 hp worth of jucie.E-85 also made 75hp more over the race gas and we didnt even have the right compression as I made the switch after the piston were made so we are about 1.5 points down from where it should.

Thank you for your paitence.
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