Homemade "professional" fuel injector cleaning system

[GNandTTA]

Am looking into building a homemade "professional" fuel injector cleaner system. I was going to use an air compressor --> pressure regulator to regulate (30 psi?) -> in-line air filter (remove filter and fill with cleaning solevant) --> custom adapter to scharader valve. Block off both the feed and return line to ensure all solevant goes through the injectors. My question is can I run straight Xylene as the solevant? I know its not good for the motor but it would only be for a few minutes. Or should some Marvels Mystery Oil be added? Am I overlooking something here?

 

[bruce]

Originally posted by GNandTTA
Am looking into building a homemade "professional" fuel injector cleaner system.
Am I overlooking something here?

Unless you measure the flow you have no idea if what you're doing is meaningful. The Fuel Rail Cleaners, haven't done anything that using a good in tank cleaner won't. ie only the cleaners in metal cans are worth using.

At WWW.DIY-EFI.Org is an article about how to build a proper injector cleaner.

 

[Freedster]

Re: Re: Homemade "professional" fuel injector cleaning system

Originally posted by bruce

At WWW.DIY-EFI.Org is an article about how to build a proper injector cleaner.

I did a search of the past several under "injector cleaner" and came up dry. Is there an article in particular you are referring to?

Thanks!

- Freed

 

[Steve Wood]

http://www.diy-efi.org/diy_efi/projects/inj_flow/inj_flow.html

 

[Freedster]

Thanks!

Appreciate the link!

- Freed

 

[oehm]

Try using a product called BG 44K. It is a wonderful fuel injector cleaner that we use at work. (it really does work!!) It is expensive though. It costs about $20+ for 1 treatment.

 

[GNandTTA]

The Fuel Rail Cleaners, haven't done anything that using a good in tank cleaner won't. ie only the cleaners in metal cans are worth using.

I've read that the best way to truely clean the injectors is with a pure solevant. That's why it is best to pull them and have them cleaned. I wanted to emulate this but without pulling them. The pressurized cans work well but at about $8 a can it can get expensive.

 

[Chuck Leeper]

Cleaning injectors??

Use of a cleaner forced thru the injectors in the normal flow direction only serves to wash what crud that will disolve and pass thru the filter baskets, on down into the disc/pintle area.
A true injection cleaner system utilizes "reverse flow" created by an ultrasonic cleaner, to "back" the crud out the way it came in.
This is done after the filters are removed and discarded. [All other wear items are also discarded and replaced at cleaning.]
I use the ASNU system, built in England, to do this, and also to flow check, check for leaks, observe pattern quality.
The system can check these parameters at infinite pressure levels and pulse rates.

back under my rock...