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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ |
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12-14-2020, 10:46 PM | #1 |
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Fuel Additives and Upper Engine Cleaner
Hi,
I will be servicing my boosted brz as per Subaru recommendations. As for the Fuel Additives and Upper Engine Cleaner, will these affect anything now that my car is boosted? For the Upper Engine Cleaner, can I use the vacuum line for BOV to spray the cleaner? Any input would be appreciated! Apologies for the noobish questions. |
12-18-2020, 09:21 AM | #2 |
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12-18-2020, 10:16 AM | #3 | |
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They are full of smoke and carbon deposits, that's why Subaru calls for injector cleaner every 15.000kms, at least in my area. I use every 10.000kms HKS DDR which is the most potent hyper polyether amine (PEA) product in the market and what Subaru uses in Japan: https://www.hks-power.co.jp/en/produ...ddr/index.html Subaru PEA injector cleaner K0879Y0010: https://shop.r10s.jp/taxnerima/cabin...sti2/k8079.jpg |
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12-18-2020, 10:37 AM | #4 |
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12-18-2020, 10:41 AM | #5 | |
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That is true, if you live outside of the U.S. Other than that, using the premium fuel from stations like Mobil or Shell should be enough to take care of it. For more info see below. https://www.ft86club.com/forums/showthread.php?t=138578
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12-21-2020, 11:27 AM | #6 | |
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12-21-2020, 03:36 PM | #7 |
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The more PEA in the additive the better the cleaning effect, afaik there are very few injector cleaners with more than 50% PEA, the best I ever found is the HKS DDR and the Subaru (Japanese) injector cleaner that are probably the same product.
Old Acura Subaru and Ford have all port injectors so they don't suffer much from carbon deposits. |
12-21-2020, 06:37 PM | #8 | |
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