will extended e85 use clean carbon off pistons and valves?

twistedneck

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I have been running e85 on my 2012 GT for a few years now.

Do you think my pistons look nice and clean? Valves? I ask because they had a lot of carbon on them visible during my head swap. I was running 93 at the time.
 

04sleeper

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I pulled an 04 Cobra motor apart running 93 for 30,000 miles and then E85 for only 3,000 and you could pretty much clean off the pistons with WD-40 and a rag. It was very clean!

So from my personal experience, I would say yes.
 

c6zhombre

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Not a ford...actually an ls3 gto...but pretty cool none the less. Take a look at this

Before with 93 use

361812d1341270606-e85-subsidies-whats-everyone-s-thought-93-octane.jpg


After 3000 miles E85 use!

361811d1341269611-e85-subsidies-whats-everyone-s-thought-e85-clean.jpg



http://ls1tech.com/forums/fueling-injection/1561739-e85-subsidies-whats-everyone-s-thought.html
 

DHG1078

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Wow I actually didn't know this was a side effect of E85! That is pretty cool. This won't help the valves at all if we were running direct injection though.
 

DSG2003SVT

Gray only, please
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That's what meth is for.

BMW is looking at installing an OEM water injection system in the next couple of years for "increased power output at high load" on their DI engines. Increased power is definitely there, but I'd bet that their main reason is because they're tired of media blasting those valves clean on 75,000 mile DI vehicles.
 
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