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You can run injector cleaner thru them but when there cleaned professionally they are ultrasonically cleaned I'm not 100% on the process but you could not do the same job at home you maybe able to get someone ( mobile bloke ) to come out and clean them but still would be fairly pricey I would assume

Edited by BOOZTJUNKEY

On the cheap you could try taking them to someone with a jewelry ultrasonic cleaner, though I'm not sure how effective they would be on injectors. Profesionally done they use a proper ultrasonic cleaning bench designed for injectors and have them flow tested and even balanced if the person is good. As far as bottles of injector cleaner go my experience and people who I've talked to who work in the auto trade say they don't do anything significant for their price (some bottle cleaners arent O2 sensor safe for example).

I think getting injectors done professionally is pretty cheap when you do the labour yourself and R&R them, I vagually remember a mobile guy out in WA that people on here have sent their injectors interstate as even with postage its still cheaper than people in their own state.

I was quoted between $150-200 for a mobile guy to come out and ultrasonically clean my injectors (as long as I pulled the rail out prior)

Maybe another $50-100ish if he had to pull the rail out too.

The only thing I would run through my injectors is fuel doctor it's an independent company dedicated to fuel additives don't no I they are outside of qld but a good mate of mine works there and I have used it my self and was very impressed with it I it's designed to clean injectors and fuel systems as well as removing built up carbon deposits I had a set of platnuims out of my old 32 and they were all caked with carbon so I put them in my car when I ran some doctor thru to see if it actually worked pulled them out a week or so later and they were clean as I was shocked lol and fuel economy was better it's good stuff

My 2 cents anyways

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The other advantage to having them done professionly is to flow test them at the same time to ensure all are withn 3% of each other.

then fit the ones that flow the most (if any) to the leaner cylinders, on an rb26 thats #6 then #5

The other advantage to having them done professionly is to flow test them at the same time to ensure all are withn 3% of each other.

then fit the ones that flow the most (if any) to the leaner cylinders, on an rb26 thats #6 then #5

i assume that the same applies for an rb25? the back 2 cylinders (next to the firewall) are the leanest ?

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