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Upper Cylinder Cleaner

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Re: Upper Cylinder Cleaner

Postby Kekotic » Fri Mar 02, 2012 7:48 pm

Ric wrote:
Rome_STI wrote:...

That is fuel additive (octane booster) not upper engine clean

Really?
It's just injector cleaner they give me.


I see the mistake here.
It is indeed a fuel system cleaner not an octane booster.
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Re: Upper Cylinder Cleaner

Postby Dropz » Fri Mar 02, 2012 10:34 pm

Injector cleaner is an octane booster.
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Re: Upper Cylinder Cleaner

Postby Ric » Sat Mar 03, 2012 7:54 am

Dropz wrote:Injector cleaner is an octane booster.

Are you talking about "Subaru Fuel Addictive" Part No. SA718?
Nothing on the bottle says anything about being an octane booster. What would be the point? The prime point of the product is to clean injectors...
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Re: Upper Cylinder Cleaner

Postby Dropz » Sat Mar 03, 2012 10:22 am

High octane cleans the fuel system. That's why bp 98 is so highly recommended in Australia. Because we don't have 105 octane or anything like that.
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Re: Upper Cylinder Cleaner

Postby Ric » Sat Mar 03, 2012 10:30 am

Where are you getting that info?
"High octane" is simply a measure of the resistance to knocking. Nothing to do with cleaning.
BP98 and other "premium" fuels are recommended for cleaning because they contain more detergents, which do nothing for octane rating.
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Re: Upper Cylinder Cleaner

Postby bass_straitener » Fri Mar 16, 2012 11:55 am

al_cam wrote:O.K. I'm confused. :? I 've got 2007 N/A Forester. Always get it Factory serviced and they have always given me a bottle of liquid! Just pour it in the tank filler with a full tank at the appropriate mileage (kilometerage?)


Al, the item you've mentioned is the Subaru fuel additive which Subaru advise to add in the middle of the service interval.

The Subaru Upper Engine Cleaner(UEC) is done at services depending on the dealership you use. Docklands I've noticed don't do it, whilst Doncaster do. Though both bills show the work being carried out. Though if it's not done you won't see item SA459 or SA489, can't remember off the top of my head, mentioned in the parts list. Confirm this with your subaru workshop.
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Re: Upper Cylinder Cleaner

Postby tangcla » Fri Mar 16, 2012 1:16 pm

I think I still have two cans of upper engine cleaner at home, if anyone wants to buy the cans off me, let me know.
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Re: Upper Cylinder Cleaner

Postby norbs » Fri Mar 16, 2012 2:34 pm

tangcla wrote:I think I still have two cans of upper engine cleaner at home, if anyone wants to buy the cans off me, let me know.


I'd give it a crack in your current car. Can't see that it would hurt.
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Re: Upper Cylinder Cleaner

Postby bass_straitener » Fri Mar 16, 2012 3:43 pm

norbs wrote:
tangcla wrote:I think I still have two cans of upper engine cleaner at home, if anyone wants to buy the cans off me, let me know.


I'd give it a crack in your current car. Can't see that it would hurt.


I don't think he'd know where to pit it in.. :lol:
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Re: Upper Cylinder Cleaner

Postby Dropz » Fri Mar 16, 2012 4:52 pm

I'm sure he can find a manual somewhere to find a vac line from.
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Re: Upper Cylinder Cleaner

Postby tangcla » Sat Mar 17, 2012 5:48 pm

Dropz wrote:I'm sure he can find a manual somewhere to find a vac line from.

Probably could. Maybe that will be my activity for tonight.
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Re: Upper Cylinder Cleaner

Postby 06_blitzen » Sat Apr 21, 2012 11:30 am

Would any upper cylinder/air intake cleaner be suitable? Are there particular brands I should avoid for this application?
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Re: Upper Cylinder Cleaner

Postby Dropz » Sat Apr 21, 2012 6:25 pm

Any carby/ cylinder cleaner will work. Amsoil power foam is a hardcore version.
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Re: Upper Cylinder Cleaner

Postby mr_sinistah » Fri Jul 24, 2015 4:07 pm

Angled it into the H6. No smoke though :/ I do highway kms and 60/80 cruise so. Is that why??
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Re: Upper Cylinder Cleaner

Postby Sigma » Tue Jul 14, 2020 4:54 pm

Hi Guys,

Does anyone have a pic of Liberty Gen5 (2010-2011) engine to show where to spray the Upper Engine Cleaner? I got the bottle from the Subaru dealer.

My knowledge about car mechanics is pretty basic, so any picture is highly appreciated :wink:

Thanks!
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